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Can't quit smoking? It might be to do with how sad you are
Smoking is not just habit-based but is deeply entwined with emotions.
Emotions have a powerful part to play in both our behavioural choices and our health.
Experiencing a range of positive emotions has been associated with lower levels of inflammation, for example, and emotional control has even been linked to higher performance in sportspeople. Negative emotions, too, can have a serious impact on behaviour: research has investigated the emotional triggers of self-harm, for instance.
Now new research from Charles Dorison and colleagues at Harvard University, published in PNAS, has looked at the role of negative emotions in addiction. Though some theories say negative mood in general is associated with problematic substance use, the study suggests that, for tobacco at least, it's sadness per se that is related to addiction.
For their first study, the team looked at data from a national survey that tracked 10,685 people over 20 years. It found that sadness significantly predicted smoking status — something that no other emotion, positive or negative, did. There seemed to be a long-term effect, too: sadness reported at the first phase of the data predicted smoking ten and twenty years later.
In the second study, which looked at cravings for cigarettes, 425 smokers were placed into three conditions: sadness, disgust and neutral. Those in the sadness condition were shown a clip from the notoriously tear-jerking Pixar film Up, and were then asked to write about a time they themselves had experienced significant loss, like the elderly man in the film.
Participants in the disgust condition were shown another iconic film clip: the scene from Trainspotting in which Ewan McGregor roots around in a decidedly unclean toilet. They were then asked to write about an unsanitary experience in their own life. And in the neutral condition, participants viewed a video about furniture making and were asked to write about their work.
Before and after watching the clips, participants were asked three questions about how much they were craving cigarettes — and, once again, sadness was related to tobacco use. Sadness increased craving compared to both the neutral and disgusted states, the latter of which appeared to decrease cravings (perhaps rather unsurprisingly, although the effect wasn't statistically significant).
A third study again looked at cravings, asking 760 participants to watch either neutral or sad videos, and then indicate whether they'd prefer to have a few puffs of a cigarette immediately, or wait to have more puffs after a small delay. Those in the sadness condition were far more impatient, craving fewer puffs sooner than those in the neutral condition.
And in a final study, 158 smokers were asked to abstain from smoking for at least eight hours, with their breath verified through a carbon monoxide test. Participants were again asked to watch either a sad or neutral video. They then smoked a cigarette through a device that measures volume, speed and duration of puffs. Mirroring previous results, smokers in the sadness condition were both more impatient and smoked more per puff.
Though the findings certainly do present a strong argument for an emotion-specific model for smoking cessation, there were things left unaddressed. Only one of the experimental studies looked at other negative emotions (i.e. disgust, induced by watching the Trainspotting clip). Concluding that sadness is more potent than other negative emotional states may be too strong a statement — we have no idea how anxiety, fear or anger, for example, could trigger tobacco use.
It may also be worth conducting further research on the link between negative emotions and other addictive substances: the relationship between sadness and heroin use, for example, may be entirely different.
But encouraging people to give up smoking is not an insignificant health intervention: in both the US and the UK, tobacco use is the leading cause of preventable death, and one billion more premature deaths worldwide are expected to occur because of smoking by the end of the century. Understanding that, for many, smoking is not just habit-based but is deeply entwined with emotions may be a good way to develop anti-smoking programmes that work for everyone.
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Construction of the $500 billion dollar tech city-state of the future is moving ahead.
- The futuristic megacity Neom is being built in Saudi Arabia.
- The city will be fully automated, leading in health, education and quality of life.
- It will feature an artificial moon, cloud seeding, robotic gladiators and flying taxis.
The Red Sea area where Neom will be built:
Saudi Arabia Plans Futuristic City, "Neom" (Full Promotional Video)<span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="c646d528d230c1bf66c75422bc4ccf6f"><iframe type="lazy-iframe" data-runner-src="https://www.youtube.com/embed/N53DzL3_BHA?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
Frequent shopping for single items adds to our carbon footprint.
- A new study shows e-commerce sites like Amazon leave larger greenhouse gas footprints than retail stores.
- Ordering online from retail stores has an even smaller footprint than going to the store yourself.
- Greening efforts by major e-commerce sites won't curb wasteful consumer habits. Consolidating online orders can make a difference.
A pile of recycled cardboard sits on the ground at Recology's Recycle Central on January 4, 2018 in San Francisco, California.
Photo by Justin Sullivan/Getty Images<p>A large part of the reason is speed. In a competitive market, pure players use the equation, <em>speed + convenience</em>, to drive adoption. This is especially relevant to the "last mile" GHG footprint: the distance between the distribution center and the consumer.</p><p>Interestingly, the smallest GHG footprint occurs when you order directly from a physical store—even smaller than going there yourself. Pure players, such as Amazon, are the greatest offenders. Variables like geographic location matter; the team looked at shopping in the UK, the US, China, and the Netherlands. </p><p>Sadegh Shahmohammadi, a PhD student at the Netherlands' Radboud University and corresponding author of the paper, <a href="https://www.cnn.com/2020/02/26/tech/greenhouse-gas-emissions-retail/index.html" target="_blank">says</a> the above "pattern holds true in countries where people mostly drive. It really depends on the country and consumer behavior there."</p><p>The researchers write that this year-and-a-half long study pushes back on previous research that claims online shopping to be better in terms of GHG footprints.</p><p style="margin-left: 20px;">"They have, however, compared the GHG emissions per shopping event and did not consider the link between the retail channels and the basket size, which leads to a different conclusion than that of the current study."</p><p>Online retail is where convenience trumps environment: people tend to order one item at a time when shopping on pure player sites, whereas they stock up on multiple items when visiting a store. Consumers will sometimes order a number of separate items over the course of a week rather than making one trip to purchase everything they need. </p><p>While greening efforts by online retailers are important, until a shift in consumer attitude changes, the current carbon footprint will be a hard obstacle to overcome. Amazon is trying to have it both ways—carbon-free and convenience addicted—and the math isn't adding up. If you need to order things, do it online, but try to consolidate your purchases as much as possible.</p><p>--</p><p><em>Stay in touch with Derek on <a href="http://www.twitter.com/derekberes" target="_blank">Twitter</a>, <a href="https://www.facebook.com/DerekBeresdotcom" target="_blank">Facebook</a> and <a href="https://derekberes.substack.com/" target="_blank">Substack</a>. His next book is</em> "<em>Hero's Dose: The Case For Psychedelics in Ritual and Therapy."</em></p>
Chronic irregular sleep in children was associated with psychotic experiences in adolescence, according to a recent study out of the University of Birmingham's School of Psychology.