Is Buying a House One of Life's Most Stressful Events?
Anyone who has purchased a house, especially one which required you to move from your former residence, knows that few things feel more stressful.
What's the Latest?
Anyone who has purchased a house, especially one which required you to move from your former residence, knows that few things feel more stressful. But surprisingly, moving house doesn't fall on the list of life's forty most stressful events, at least according to the Social Readjustment Rating Scale, a sociological tool developed in the 1960s to measure the stress caused by different life events. On that scale, places one, two, and three went to the death of a loved one, divorce, and marital separation. Though having a large mortgage did come in at number 20, a change in living conditions at 28, and having a small mortgage placed as the 37th most stressful life event.
What's the Big Idea?
When it comes to our health, daily hassles and their subsequent stresses burden us more than catastrophic events because of their ability to wear us down over time. And on the list of daily American hassles, solving problems related to "property, investment, and taxes" comes in at number eight. The distinction between daily hassles and major life events is interesting to social scientists because of how we relate to them later in life. The daily hassles remain ever-present while our memories of life events change over time, often shifting to exclude those which we felt intensely but for a short period of time--such as moving house.
Read more at BBC Future
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It's one of the most consistent patterns in the unviverse. What causes it?
- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
- Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
- Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.
It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.
In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.
Image from the study.
As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.
Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.
"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.
It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.
Image by authors of the study.
Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.
The study's authors will keep working on this in the meantime.
“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."
Do you have a magnetic compass in your head?
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