Blockchain simplified: How it eliminates the middleman
What's the big promise of blockchain in business? Its ability to eliminate the middle man.
Tony Saldanha
Tony Saldanha is a Fortune 25 executive in the Global Business Services (GBS) and Information Technology area. During a 27-year career at Procter & Gamble, Saldanha ran IT and GBS in every region of the world, helping create a multi-billion dollar best-in-class operation. He currently provides advice to boards and CEOs in Fortune 500 companies on digital transformation, especially on internal business operations.
TONY SALDANHA: Blockchain is most commonly known because of bitcoin, the cryptocurrency. And by the way they're very different things. So blockchain is the underlying programming on top of which cryptocurrency, bitcoin, has been developed. Let me distinguish the two. Bitcoin is just one little application of blockchain. It is something that most enterprises will shy away from because it is speculative and I'm not here to preach that companies go out and start trading using bitcoin. That would be a mistake. Blockchain is basically, you know, think of it as an excel spreadsheet. It is basically a big, big ledger in which everybody can put transactions but none of the sales, none of the values of those transactions can be messed around with, can be changed without, you know, everybody else saying oh, wait a minute. That particular sale was changed.
And because of that it is known to be unhackable. Now, the value of having an underlying platform that is available to the entire world to see if you have the appropriate kind of authorization and is known to be secure is obvious, right, because we know one of the biggest challenges when it comes to technology is somebody changing the values of my data. If you have an underlying platform that's known to be unhackable that provides a huge competitive advantage for most people. So potential users of blockchain could be everything from, you know, let's take a voting mechanism. By the way blockchain is being used for voting in places like Dubai for their stock exchange or even Latvia, Lithuania and Estonia for their actual people voting processes.
But there are more mundane uses of blockchain. You could use blockchain, for example, for intracompany financial transactions between the companies and both within companies as well. So instead of having your money go from your company to a bank to another company what if there was a common platform where you could actually have the best information that could not be hacked. That would eliminate the middleman. That is the promise of blockchain. It has the ability to eliminate the middle person because everybody has equal access to one version of the truth.
- Blockchain is basically a ledger of people's transactions. It is the underlying programming on top of which the cryptocurrency bitcoin was developed.
- Blockchain doesn't allow for people's transactions to be hacked because everyone has access to a record of the values exchanged. Because of this, it is said to be unhackable.
- Blockchain has many potential uses, such as in accounting systems. This is already the case in Dubai, where its used for the city's stock exchange, and in the Baltic states, such as Latvia and Lithuania, for their political processes.
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‘Designer baby’ book trilogy explores the moral dilemmas humans may soon create
How would the ability to genetically customize children change society? Sci-fi author Eugene Clark explores the future on our horizon in Volume I of the "Genetic Pressure" series.
18 January, 2021
Surprising Science
- A new sci-fi book series called "Genetic Pressure" explores the scientific and moral implications of a world with a burgeoning designer baby industry.
- It's currently illegal to implant genetically edited human embryos in most nations, but designer babies may someday become widespread.
- While gene-editing technology could help humans eliminate genetic diseases, some in the scientific community fear it may also usher in a new era of eugenics.
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<div class="amazon-assets-widget__title" style="display: block;">Genetic Pressure Volume I: Baby Steps</div>
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<p>Imagine it's 2045. You start hearing rumors from your well-heeled friends about a mysterious corporation based on an undisclosed island that's offering an unprecedented service: the ability to genetically design your baby.</p><p>The baby will have some of your genetics, and some genetics from a sperm or egg donor, selected by you. But the rest of your child's genetic profile will be engineered by science. These changes will make it impossible for your child to develop genetic diseases. They'll also allow you to customize your child for dozens of traits, including intelligence level, emotional disposition, sexual orientation, height, skin tone, hair color, and eye color, to name a few. </p><p>This raises unsettling philosophical questions for some customers. "When does my child stop being my child?" they ask the corporate representatives. These wary customers are reminded of how risky it is to reproduce the old-fashioned way. The Better Genetics Corporation's motto sums it up: "Only God plays dice—humans don't have to."</p><p>This is the world described in a new science-fiction series by Eugene Clark titled <a href="http://bigth.ink/38VhJn3" target="_blank" rel="noopener noreferrer">"Genetic Pressure"</a>, which explores the moral and scientific implications of a future in which designer babies are becoming a major industry. The first book begins with the story of Rachel, a renowned horse breeder who befriends a billionaire client, and soon gets the funding to visit the tropical island on which the Better Genetics Corporation is headquartered. </p><p>There, corporate executives walk her through the process of designing a baby—an experience that feels like an uncanny mix between visiting a doctor and designing a luxury car. The series is told from multiple perspectives, serving as a deep dive into a complex moral web that today's scientists may already be weaving.</p>
<blockquote>[T]he introduction of designer babies would create a labyrinth of philosophical dilemmas that society is only beginning to explore. </blockquote>
<p>Case in point: In 2018, Chinese scientist He Jiankui announced that he had helped create the world's first genetically engineered babies. Using the gene-editing tool CRISPR on embryos, He Jiankui modified a gene called <a href="https://ghr.nlm.nih.gov/gene/CCR5" target="_blank">CCR5</a>, which enables HIV to enter and infect immune system cells. His goal was to engineer children that were immune to the virus.</p><p>It's unclear whether he succeeded. But what's certain is that the experiment shocked the international scientific community, which generally agreed that it's unethical to conduct gene-editing procedures on humans, given that scientists don't yet fully understand the consequences.</p><p>"This experiment is monstrous," Julian Savulescu, a professor of practical ethics at the University of Oxford, told <a href="https://www.theguardian.com/science/2018/nov/26/worlds-first-gene-edited-babies-created-in-china-claims-scientist" target="_blank"><em>The Guardian</em></a>. "The embryos were healthy. No known diseases. Gene editing itself is experimental and is still associated with off-target mutations, capable of causing genetic problems early and later in life, including the development of cancer."</p><p>Importantly, He Jiankui wasn't treating a disease, but rather genetically engineering babies to prevent the future contraction of a virus. These kinds of changes are heritable, meaning the experiment could have major downstream effects on future generations. So, too, would a designer-baby industry, even if scientists can do it safely.</p><p>With major implications on inequality, discrimination, sexuality, and our conceptions of life, the introduction of designer babies would create a labyrinth of philosophical dilemmas that society is only beginning to explore. </p>
<a href="http://bigth.ink/38VhJn3" ><img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNTI2MTEzNi9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY0NDcxMzY4M30.5fwCPH_6sQ0RF19aAH4FQFue9HFJykzdEc0Xka1TY04/img.jpg?width=980" id="affdd" class="rm-shortcode" data-rm-shortcode-id="76374e8775bd9441a338cf513bb1fa55" data-rm-shortcode-name="rebelmouse-image" data-width="924" data-height="520" /></a>
Tribalism and discrimination
<p>One question the "Genetic Pressure" series explores: What would tribalism and discrimination look like in a world with designer babies? As designer babies grow up, they could be noticeably different from other people, potentially being smarter, more attractive and healthier. This could breed resentment between the groups—as it does in the series.</p><p>"[Designer babies] slowly find that 'everyone else,' and even their own parents, becomes less and less tolerable," author Eugene Clark told Big Think. "Meanwhile, everyone else slowly feels threatened by the designer babies."</p><p>For example, one character in the series who was born a designer baby faces discrimination and harassment from "normal people"—they call her "soulless" and say she was "made in a factory," a "consumer product." </p><p>Would such divisions emerge in the real world? The answer may depend on who's able to afford designer baby services. If it's only the ultra-wealthy, then it's easy to imagine how being a designer baby could be seen by society as a kind of hyper-privilege, which designer babies would have to reckon with. </p><p>Even if people from all socioeconomic backgrounds can someday afford designer babies, people born designer babies may struggle with tough existential questions: Can they ever take full credit for things they achieve, or were they born with an unfair advantage? To what extent should they spend their lives helping the less fortunate? </p>Sexuality dilemmas
<p>Sexuality presents another set of thorny questions. If a designer baby industry someday allows people to optimize humans for attractiveness, designer babies could grow up to find themselves surrounded by ultra-attractive people. That may not sound like a big problem.</p><p>But consider that, if designer babies someday become the standard way to have children, there'd necessarily be a years-long gap in which only some people are having designer babies. Meanwhile, the rest of society would be having children the old-fashioned way. So, in terms of attractiveness, society could see increasingly apparent disparities in physical appearances between the two groups. "Normal people" could begin to seem increasingly ugly.</p><p>But ultra-attractive people who were born designer babies could face problems, too. One could be the loss of body image. </p><p>When designer babies grow up in the "Genetic Pressure" series, men look like all the other men, and women look like all the other women. This homogeneity of physical appearance occurs because parents of designer babies start following trends, all choosing similar traits for their children: tall, athletic build, olive skin, etc. </p><p>Sure, facial traits remain relatively unique, but everyone's more or less equally attractive. And this causes strange changes to sexual preferences.</p><p>"In a society of sexual equals, they start looking for other differentiators," he said, noting that violet-colored eyes become a rare trait that genetically engineered humans find especially attractive in the series.</p><p>But what about sexual relationships between genetically engineered humans and "normal" people? In the "Genetic Pressure" series, many "normal" people want to have kids with (or at least have sex with) genetically engineered humans. But a minority of engineered humans oppose breeding with "normal" people, and this leads to an ideology that considers engineered humans to be racially supreme. </p>Regulating designer babies
<p>On a policy level, there are many open questions about how governments might legislate a world with designer babies. But it's not totally new territory, considering the West's dark history of eugenics experiments.</p><p>In the 20th century, the U.S. conducted multiple eugenics programs, including immigration restrictions based on genetic inferiority and forced sterilizations. In 1927, for example, the Supreme Court ruled that forcibly sterilizing the mentally handicapped didn't violate the Constitution. Supreme Court Justice Oliver Wendall Holmes wrote, "… three generations of imbeciles are enough." </p><p>After the Holocaust, eugenics programs became increasingly taboo and regulated in the U.S. (though some states continued forced sterilizations <a href="https://www.uvm.edu/~lkaelber/eugenics/" target="_blank">into the 1970s</a>). In recent years, some policymakers and scientists have expressed concerns about how gene-editing technologies could reanimate the eugenics nightmares of the 20th century. </p><p>Currently, the U.S. doesn't explicitly ban human germline genetic editing on the federal level, but a combination of laws effectively render it <a href="https://academic.oup.com/jlb/advance-article/doi/10.1093/jlb/lsaa006/5841599#204481018" target="_blank" rel="noopener noreferrer">illegal to implant a genetically modified embryo</a>. Part of the reason is that scientists still aren't sure of the unintended consequences of new gene-editing technologies. </p><p>But there are also concerns that these technologies could usher in a new era of eugenics. After all, the function of a designer baby industry, like the one in the "Genetic Pressure" series, wouldn't necessarily be limited to eliminating genetic diseases; it could also work to increase the occurrence of "desirable" traits. </p><p>If the industry did that, it'd effectively signal that the <em>opposites of those traits are undesirable. </em>As the International Bioethics Committee <a href="https://academic.oup.com/jlb/advance-article/doi/10.1093/jlb/lsaa006/5841599#204481018" target="_blank" rel="noopener noreferrer">wrote</a>, this would "jeopardize the inherent and therefore equal dignity of all human beings and renew eugenics, disguised as the fulfillment of the wish for a better, improved life."</p><p><em>"Genetic Pressure Volume I: Baby Steps"</em><em> by Eugene Clark is <a href="http://bigth.ink/38VhJn3" target="_blank">available now.</a></em></p>
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These are the world’s greatest threats in 2021
We look back at a year ravaged by a global pandemic, economic downturn, political turmoil and the ever-worsening climate crisis.
20 January, 2021
Luis Ascui/Getty Images
Politics & Current Affairs
Billions are at risk of missing out on the digital leap forward, as growing disparities challenge the social fabric.
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In the medium-term, the global economy will be threatened by the knock-on effects of the coronavirus crisis, while geopolitical stability will be critically fragile over the next 5 to 10 years. Environmental risks continue to threaten: they remain top risks by likelihood and impact in this year's survey.
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<a href="https://www.weforum.org/reports/the-global-risks-report-2021" target="_blank">The Global Risks Report 2021</a> is the 16th edition of the Forum's annual analysis and looks back at a year ravaged by a global pandemic, economic downturn, political turmoil and the ever-worsening climate crisis. The report explores how countries and businesses can act in the face of these risks.
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Unsurprisingly, one of the big changes between this year and last, in terms of risks, has been brought about by the COVID-19 coronavirus pandemic. The risk posed by infectious diseases is now ranked at number one, while in 2020 it came in 10th place.
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<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNTUwMzcyMi9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY2MjA4NzMyOX0.KJBlcw3i4ZS6alcYghvT0cPjzcZwScPkkbB-6450pJE/img.jpg?width=980" id="030c0" class="rm-shortcode" data-rm-shortcode-id="3d069bd85c60fdb0f185dbac6aa49f41" data-rm-shortcode-name="rebelmouse-image" data-width="787" data-height="643" />
Image: Global Risks Report 2021
<h3>Widespread effects</h3><p>"The immediate human and economic costs of COVID-19 are severe," the report says. "They threaten to scale back years of progress on reducing global poverty and inequality and further damage social cohesion and global cooperation."</p><p>For those reasons, the pandemic demonstrates why infectious diseases hits the top of the impact list. Not only has COVID-19 led to widespread loss of life, it is holding back economic development in some of the poorest parts of the world, while amplifying wealth inequalities across the globe.</p><p>At the same time, there are concerns the fight against the pandemic is taking resources away from other critical health challenges - including a <a href="https://www.weforum.org/agenda/2020/09/charts-covid19-malnutrition-educaion-mental-health-children-world/" target="_blank" rel="noopener noreferrer">disruption to measles vaccination programmes</a>.</p><h3><img src="https://assets.weforum.org/editor/Y1-45gAUa8m52QhRrAN6BFYV4dayfBU70XBpOaiJV5U.PNG" alt="Global Risks Network 2021"></h3><h3>Climate concerns</h3><p>But despite the inescapable fallout from COVID-19, it is climate-related matters that make up the bulk of this year's risk list, which the report describes as "an existential threat to humanity." Despite a drop in carbon emissions caused by lockdowns and disruption to international trade and travel, there are concerns that as economies start to recover, emissions will soar.</p><p>The 2021 risks report draws upon data and insights from a wide array of respondents via the World Economic Forum's Global Risks Perception Survey. The survey was completed by over 650 members of the Forum's diverse leadership communities.</p><p>One of those communities is the Global Shapers – the Forum's network of young people driving dialogue, action and change. For them, climate-related risks are seen as "the most likely and most impactful long-term risks." They also sound a note of caution about the dangers of "youth disillusionment" around the world.</p><p>"They see personal risks as immediate threats, macro risks in the medium term and fundamental geopolitical risks in the long term," the report says.</p><p>Among the short-term threats, which are likely to come to fruition within the next two years, are infectious diseases, livelihood crises, digital inequality and youth disillusionment.</p><p>As for medium-term risks in next three-to-five years, the Global Shapers identified asset bubble bursts, IT infrastructure breakdown, price instability and debt crises.</p><p>In the longer term, the community voiced concerns about weapons of mass destruction, state collapse, biodiversity loss and adverse technological advances.</p>
<h3>Countering risks</h3><p>Alongside the risks listed, the report reflects on responses to COVID-19 to draw lessons that could bolster global resilience.</p><p>These include formulating analytical frameworks, creating new forms of partnership and building trust through clear and consistent communication.</p><p>It also includes recommendations to help countries and businesses act, rather than react, in the face of risks.</p><p>The Forum's upcoming virtual <a href="https://www.weforum.org/events/the-davos-agenda-2021" target="_blank" rel="noopener noreferrer">Davos Agenda</a> event will bring together global leaders to discuss how to advance the principles, policies and partnerships needed to do this.</p><p>Reprinted with permission of the <a target="_blank" href="https://www.weforum.org/" rel="noopener noreferrer">World Economic Forum</a>. Read the <a target="_blank" href="https://www.weforum.org/agenda/2021/01/world-greatest-threats-2021/" rel="noopener noreferrer">original article</a>.</p>
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Columbia study finds new way to extract energy from black holes
A new study explains how a chaotic region just outside a black hole's event horizon might provide a virtually endless supply of energy.
19 January, 2021
Credit: NASA's Goddard Space Flight Center
Surprising Science
- In 1969, the physicist Roger Penrose first proposed a way in which it might be possible to extract energy from a black hole.
- A new study builds upon similar ideas to describe how chaotic magnetic activity in the ergosphere of a black hole may produce vast amounts of energy, which could potentially be harvested.
- The findings suggest that, in the very distant future, it may be possible for a civilization to survive by harnessing the energy of a black hole rather than a star.
<p>Like the Sun, the stars scattered throughout our Milky Way and beyond produce unfathomable amounts of energy. But so, too, do the objects we can't see: black holes.</p>
<p>For decades, scientists have wondered whether it's possible to extract energy from black holes, which <a href="https://bigthink.com/surprising-science/black-hole-animation" target="_self">are the mysterious regions of spacetime</a> that form when stars collapse into themselves. Siphoning energy from these areas of ultra-condensed matter could provide a virtually endless power supply for deep-space civilizations, if physically and practically possible.</p>
<p>While undoubtedly the stuff of science fiction, the idea is far from new. </p>
<p>In 1969, the physicist and Nobel Laureate Roger Penrose proposed it might be possible to extract energy from a rotating black hole. He thought this could occur in a black hole's ergosphere. </p>
The ergosphere
<p>The ergosphere is a region just outside a black hole's event horizon, the boundary of a black hole beyond which nothing, not even light, can escape. But light and matter just outside the event horizon, in the ergosphere, would also be affected by the immense gravity of the black hole. Objects in this zone would spin in the same direction as the black hole at incredibly fast speeds, similar to objects floating around the center of a whirlpool.</p><p>The Penrose process states, in simple terms, that an object could enter the ergosphere and break into two pieces. One piece would head toward the event horizon, swallowed by the black hole. But if the other piece managed to escape the ergosphere, it could emerge with more energy than it entered with.</p><p>The movie "Interstellar" provides an example of the Penrose process. Facing a fuel shortage on a deep-space mission, the crew makes a last-ditch effort to return home by entering the ergosphere of a blackhole, ditching part of their spacecraft, and "slingshotting" away from the black hole with vast amounts of energy.</p><p>In a recent study published in the American Physical Society's <a href="https://journals.aps.org/prd/abstract/10.1103/PhysRevD.103.023014" target="_blank" style="">Physical Review D</a><em>, </em>physicists Luca Comisso and Felipe A. Asenjo used similar ideas to describe another way energy could be extracted from a black hole. The idea centers on the magnetic fields of black holes.</p><p style="margin-left: 20px;">"Black holes are commonly surrounded by a hot 'soup' of plasma particles that carry a magnetic field," Comisso, a research scientist at Columbia University and lead study author, told <a href="https://news.columbia.edu/energy-particles-magnetic-fields-black-holes" target="_blank" rel="noopener noreferrer">Columbia News</a>.</p><img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNTUwMzQyNi9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY2Nzg5NTgxM30.4aMhAHcj3YfXKEIvA7vH71EHIzxcJpTO3iulrpfnxSM/img.jpg?width=980" id="1cdf5" class="rm-shortcode" data-rm-shortcode-id="01d88a42afd0185a64424ecc5f420e4c" data-rm-shortcode-name="rebelmouse-image" data-width="494" data-height="494" />
Ergosphere representation
<p>In the ergosphere of a rotating black hole, magnetic field lines are constantly breaking and reconnecting at fast speeds. The researchers theorized that when these lines reconnect, plasma particles shoot out in two different directions. One flow of particles shoots off against the direction of the spinning black hole, eventually getting "swallowed" by the black hole. But the other flow shoots in the same direction as the spin, potentially gaining enough velocity to escape the black hole's gravitational pull.</p><p>The researchers proposed that this occurs because the breaking and reconnecting of magnetic field lines can generate negative-energy particles. If the negative-energy particles get "swallowed" by the black hole, the positive particles would theoretically be exponentially accelerated.</p><p style="margin-left: 20px;">"Our theory shows that when magnetic field lines disconnect and reconnect, in just the right way, they can accelerate plasma particles to negative energies and large amounts of black hole energy can be extracted," Comisso said. "It is like a person could lose weight by eating candy with negative calories."</p><img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNTUwMjMyOC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY0MDA5NjA1MX0.nK1C4xO65fb1y4wdm9GmcDGZBvarQ2gyWdUXtZQcMOI/img.jpg?width=980" id="6482f" class="rm-shortcode" data-rm-shortcode-id="2bcedc4f32a64049524f4126311e3c28" data-rm-shortcode-name="rebelmouse-image" alt="Black hole" data-width="985" data-height="574" />
<p class=""><br></p>Black hole
Event Horizon Telescope Collaboration
<p>While there might not be immediate applications for the theory, it could help scientists better understand and observe black holes. On an abstract level, the findings may expand the limits of what scientists imagine is possible in deep space.</p><p style="margin-left: 20px;">"Thousands or millions of years from now, humanity might be able to survive around a black hole without harnessing energy from stars," Comisso said. "It is essentially a technological problem. If we look at the physics, there is nothing that prevents it."</p>
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Archaeologists identify contents of ancient Mayan drug containers
Scientists use new methods to discover what's inside drug containers used by ancient Mayan people.
18 January, 2021
Credit: WSU
Surprising Science
- Archaeologists used new methods to identify contents of Mayan drug containers.
- They were able to discover a non-tobacco plant that was mixed in by the smoking Mayans.
- The approach promises to open up new frontiers in the knowledge of substances ancient people consumed.
<p>Ancient Mayans have been a continuing source of inspiration for their monuments, knowledge, and mysterious demise. Now a new study discovers some of the drugs they used. <a href="https://www.nature.com/articles/s41598-021-81158-y" target="_blank">For the first time</a>, scientists found remnants of a non-tobacco plant in Mayan drug containers. They believe their analysis methods can allow them exciting new ways of investigating the different types of psychoactive and non-psychoactive plants used by the Maya and other pre-Colombian societies.</p><p>The research was carried out by a team from Washington State University, led by anthropology postdoc <a href="https://wsu.academia.edu/MarioZimmermann" target="_blank">Mario Zimmermann</a>. They spotted residue of the Mexican marigold (Tagetes lucida) in 14 tiny ceramic vessels that were buried over a 1,000 years ago on Mexico's Yucatan peninsula. The containers also exhibited chemical traces of two types of tobacco: Nicotiana tabacum and N. rustica. Scientists think the marigold was mixed in with the tobacco to make the experience more pleasant.</p>
<blockquote>"While it has been established that tobacco was commonly used throughout the Americas before and after contact, evidence of other plants used for medicinal or religious purposes has remained largely unexplored," said Zimmermann. "The analysis methods developed in collaboration between the Department of Anthropology and the Institute of Biological Chemistry give us the ability to investigate drug use in the ancient world like never before."</blockquote><p>The scientists used a new method based on <a href="https://www.future-science.com/doi/full/10.2144/000113133" target="_blank">metabolomics</a> that is able to pinpoint thousands of plant compounds, or metabolites, in residue of archaeological artifacts like containers and pipes. This allows the researchers to figure out which specific plants were utilized. The way plant residue was identified before employed looking for specific biomarkers from nicotine, caffeine, and other such substances. That approach would not be able to spot what else was consumed outside of what biomarker was found. The new way gives much more information, showing the researchers a fuller picture of what the ancient people ingested. </p>
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNTQ5ODA2OS9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYyMTU5NjU3MH0.yulUX2V5W_S-eR5JE89cKODfRv3numTn_cjeBqbcYAk/img.jpg?width=980" id="023b8" class="rm-shortcode" data-rm-shortcode-id="0a4f30654bf0f0c2b8463aaaae455714" data-rm-shortcode-name="rebelmouse-image" data-width="640" data-height="480" />
PARME staff archaeologists excavating a burial site at the Tamanache site, Mérida, Yucatan.
Credit: WSU
<p>The containers in the study were found by Zimmerman and a team of archaeologists in 2012.</p><p style="margin-left: 20px;">"When you find something really interesting like an intact container it gives you a sense of joy," <a href="https://phys.org/news/2021-01-scientists-contents-ancient-maya-drug.html" target="_blank">shared</a> Zimmermann. "Normally, you are lucky if you find a jade bead. There are literally tons of pottery sherds but complete vessels are scarce and offer a lot of interesting research potential."</p><p>The researchers are negotiating with various Mexican institutions to be able to study more ancient containers for plant residues. They also aim to look at organic materials possibly preserved in the dental plaque of ancient remains. </p><p>Check out the study published in <a href="https://www.nature.com/articles/s41598-021-81158-y" target="_blank">Scientific Reports. </a></p>
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A psychiatric diagnosis can be more than an unkind ‘label’
A popular and longstanding wave of thought in psychology and psychotherapy is that diagnosis is not relevant for practitioners in those fields.
19 January, 2021
Chris J Ratcliffe/Getty Images for Sotheby's
Mind & Brain
When I was training as a clinical psychologist, I had a rotation in a low-cost psychotherapy clinic.
<p> Among the first people I met was a young man who believed that he might be responsible for harm coming to his family if he didn't engage in time-consuming rituals, including arranging his shoes very particularly for up to half an hour. The logic motivating this man's behaviour was notably rather magical and unrealistic, appealing to notions of spirit possession and evil, which were culturally alien to his family. My supervisor, a sensitive and empathic clinician, who believed that most issues could be addressed by attentive listening and interpretation, tended to have a single diagnostic concern. The central question for him was whether the person was experiencing anxiety or manifesting the early symptoms of a psychosis. The latter ought to receive a more thorough assessment and more support than our clinic could offer.</p><p>Because of the magical quality to this person's reasoning, my supervisor decided that this might be an early sign of psychosis. He instructed me to refer the man to a new research clinic near my training site, which specialised in treating and researching the 'at risk' state for psychosis.</p><p>Of course, sensible and cautious though this seemed to me, it entailed telling this young man that he could not be seen by us for talking therapy. Instead, he should go to a clinic that specialised in something serious and frightening-sounding. When I broke the news, he was devastated. He left our clinic, and I later learned that he never followed up with the referral.</p>
<p>What I failed to appreciate at the time – and what some remedial reading later painfully revealed to me – was that, rather than being an early manifestation of psychosis, this man's presentation was more likely a case of obsessive compulsive disorder (OCD), a common condition in which people develop obsessive thoughts and feel compelled to engage in actions to prevent feared harms. If I'd had the diagnostic knowledge and confidence to assert this to my supervisor during the initial consultation, the man I met would likely have received help, rather than being referred to an inappropriate clinic that led to him falling through the cracks.</p><p>Yet, a popular and longstanding wave of thought in psychology and psychotherapy is that diagnosis is not relevant for practitioners in those fields, and should be left to psychiatrists, if at all. This is not a fringe view, it has been perennially present in clinical psychology since at least the 1960s, when the iconoclastic psychiatrists Thomas Szasz and R D Laing presented a dual challenge to their profession.</p><p>Szasz, a Hungarian émigré to the United States, <a href="https://psycnet.apa.org/record/1961-01456-001" target="_blank">argued</a> that mental illness is a 'myth', rooted in a misuse of language. Neurological diseases are real, Szasz suggested, because they can be confirmed by a postmortem examination of the brain. In contrast, he argued that psychiatric 'illness' has no such neurological basis, and is just a medicalised way of talking about problems in life that could be solved by taking responsibility for yourself and your actions.</p><p>Meanwhile, Laing, a Scot who trained at the Tavistock Institute in London, <a href="https://www.penguinrandomhouse.com/books/274343/the-divided-self-by-r-d-laing/" rel="noopener noreferrer" target="_blank">argued</a> in <em>The Divided Self</em> (1960) that psychosis is a psychic response to an increasingly alienated 'false self' obscuring the true emotional core of an individual. He held that so-called 'symptoms' (hearing voices, believing unusual things) were actually attempts at recovery in the face of this alienation.</p>
<p>These ideas resonated and had significant influence over psychiatric thinking throughout the 1960s. They contributed to diagnostic approaches to mental health – the idea that there are illnesses called schizophrenia, bipolar disorder and depression – becoming decidedly <a href="https://aeon.co/essays/the-psychiatrist-who-didn-t-believe-in-mental-illness" target="_blank">unfashionable</a>. Indeed Szasz's and Laing's critiques became so popular that already by the early 1970s, the influential US clinical psychologist Paul Meehl grumbled in his 1973 paper 'Why I Do Not Attend Case Conferences' about an 'antinosological' (ie, antidiagnostic) bias taking hold in his profession.</p><p>Recently, the animus against psychiatric diagnosis has become more formal and scientifically argued. The British Psychological Society's Division of Clinical Psychology (DCP) – one of the official bodies representing the profession – published <a href="https://dxrevisionwatch.files.wordpress.com/2013/05/position-statement-on-diagnosis-master-doc.pdf" target="_blank">two</a> <a href="http://www.newvisionformentalhealth.com/2018/01/26/guidelines-on-language-in-relation-to-functional-psychiatric-diagnosis/" rel="noopener noreferrer" target="_blank">documents</a> in 2013 and 2015 articulating the difficulties with diagnosis, and promoting instead the value of individualised 'formulations'. While it is clear that the DCP's position on diagnosis is not universally held by practitioners in the UK, British psychologists are around half as likely to report regular use of a diagnostic classificatory system as their colleagues in some other countries (for <a href="https://onlinelibrary.wiley.com/doi/abs/10.1080/00207594.2013.804189" rel="noopener noreferrer" target="_blank">example</a>, fewer than 35 per cent of psychologists in the UK say that they use diagnosis regularly, compared with more than 70 per cent of psychologists in the US, Germany and South Africa). This likely reflects a UK professional culture steeped in suspicion of diagnostic thinking.</p><p>The suspicion is not unwarranted. One of the most interesting recent critiques of diagnosis has come from the Belgian psychoanalyst and clinical psychologist Stijn Vanheule. He <a href="https://www.ncbi.nlm.nih.gov/pubmed/22903905" rel="noopener noreferrer" target="_blank">invoked</a> the philosophy of language to argue that diagnosis necessarily draws our attention to the shared meanings conjured by diagnostic language, rather than to the individual meanings inherent to people's experiences. Thus, for example, when I say 'schizophrenia', I focus attention on a generalised, clinical definition that exists in a book, rather than on the individual, personal significance of hearing voices or believing unusual things. For psychotherapists, Vanheule argued, the former is irrelevant, the latter vital.</p>
<p>These arguments are valuable, and they are correct in important ways. Their conclusions are a significant part of what inspired me to get into clinical psychology in the first place. Reading Laing as a teenager, I thrilled to the challenge he presented: to understand people as they endure the most extreme and bewildering psychic states; to try to find coherence even where it seems to be absent. This impulse is essential. Patience and careful listening can reveal that people are capable of engaging in communication more often than we tend to give them credit for. But my clinical training has shown me that, despite the importance of understanding people in an individualised way, having a knowledge of diagnostic categories is also essential.</p><p>To return to the example above, my supervisor and I were ignorant of valuable diagnostic information; we were ignorant of the ways that clinicians can distinguish magical obsessions from the early hints of delusion. We were ignorant of the fact that even quite magical ideas are well within the range of the former without shading into the latter. We were ignorant of how easy it would have been to provide effective help without raising the prospect of a terrifying psychosis down the pipeline. Our ignorance cost someone dearly.</p><p>Diagnosis is often vital for ensuring good care. Apart from the importance of ruling out organic causes for apparently straightforward instances of depression and anxiety (which can be symptomatic of a surprising range of endocrine, infectious and neurological diseases), linking psychological distress into a broader framework also helps clinicians make sense of the people they are trying to help. Certain forms of substance misuse could represent attempts at self-medication for highly treatable disorders of mood or attention, for instance. Correct identification of trauma symptoms can avert diagnosis of a psychotic illness. Proper diagnosis of depression in later life can frequently account for changes in memory and attention that might otherwise be mistaken for dementia, as unfortunately often happens. Diagnosis of bipolar mood disorder can prevent people being inappropriately treated for personality disorders.</p><p>Psychology's antinosological tendency encourages a belief that diagnostic thinking is somehow inherently unkind; that in thinking about categories you are always only 'labelling' people, and that this is an inhumane thing to do.</p>
<p>Conversely, it also encourages a belief that all you really need in mental healthcare is sympathy, rapport and interpretative heroics. This appeals to some of the questionable impulses of professionals: to our desire to see ourselves as people uniquely able to understand others, and to our ordinary human laziness. Who would want to engage in learning about taxonomy if to do so is both unkind and unnecessary?</p><p>Understanding people is a multifaceted enterprise. We all manifest a splendid idiosyncrasy, living out lives that could never be copied or repeated, so it makes sense to consider one another in the light of this uniqueness. But we also bear resemblances to one another. Important though it is to be seen in all your individuality, it is also helpful to know when your problems have precedent.</p><p>Psychiatric diagnoses are imperfect, sketchy theories about how people's minds can give them trouble. We know that they are largely less precise and valid than is popularly understood, but this does not render them totally uninformative. We have learned snippets of useful information by considering psychological problems in terms of categories: the effectiveness, or not, of treatments for particular groups of people; the elevated risk of suicide among others. Many symptoms can seem to 'make sense' in the context of a person's life, but we know that humans are sense-making machines, so we need to be vigilant against 'making sense' where it is only illusory. The great intellectual challenge of clinical psychology is to integrate knowledge about reasons and people with knowledge about causes and mechanisms. We should avoid relying solely on diagnostic information, but we shouldn't discard it altogether.<img src="https://metrics.aeon.co/count/3533ace3-823d-4522-8d68-702c1e19f406.gif" alt="Aeon counter – do not remove"></p><p>Huw Green</p><p>This article was originally published at <a href="https://aeon.co/?utm_campaign=republished-article" target="_blank">Aeon</a> and has been republished under Creative Commons. Read the <a href="https://aeon.co/ideas/a-psychiatric-diagnosis-can-be-more-than-an-unkind-label" target="_blank">original article</a>.</p>
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