Tired Teenies: Are Genes Or Environment Responsible For Lack Of Sleep In Adolescents?
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Nicole Simon, who studied biomedical science, has been writing for more than ten years as an independent science and medical journalist for various print and online media.

                       

Tired Teenies: Are Genes Or Environment Responsible For Lack Of Sleep In Adolescents?

In puberty, getting up early becomes torture for most teenagers. Scientists from Switzerland wanted to know what is responsible for this: genes or the environment? Young people are one thing above all else: overtired. Studies show that adolescents get far too little sleep. Instead of at least nine hours, as they actually need, they usually sleep much less. This, in turn, can have consequences for their school performance as well as their health. The reason for this is a typical...

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Early Protection = Prevention

Swedish researchers have investigated whether leisure activities undertaken as young adults can later protect against mental decay. They have also discovered gender differences. Hardly any other field is as concerned with research as mental decline. In view of an aging society and a growing world population, the number of people with dementia is rising sharply. So far, there is no effective therapy. But researchers say that the number of people suffering from dementia could be significantly reduced if risk factors...

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The Dubious Increase In ADHD Diagnoses

Diagnostic figures for ADHD are rising almost everywhere. Are there really more children with "Fidgety Philipp syndrome" today? A Swedish study suggests otherwise. Like an inner drive that never stands still, this is how those affected describe what happens in their heads. It is often almost impossible for people with ADHD to concentrate on one thing. And while the affected person's brain constantly absorbs new external impressions that it cannot ignore, their body is also constantly in motion. Around the...

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In Adult Twins, Genes Lose Weight In Weight-Gain 

Published by Paul Enck and Nicole Simon This is part 33 of a series covering twin health provided by Paul Enck from the Tübingen University Hospital and science writer Nicole Simon. Further studies in twin research can be found at TwinHealth website. Translation was done with the assistance of DeepL translator. In a previous posting, we have shown that from childhood to adolescence, the influence of genes increases — but what about when you grow older? Scientists now demonstrate that this trend...

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Marriage Can Protect Against Tribulation 

The psyche should also benefit from a bond for life. Researchers have now noticed a certain degree of protection against depression. However, this is by no means true for everyone.   With a marriage certificate, life becomes more relaxed. Anyone who is in a relationship crisis and tired of eternal quarrels may only smile mildly about it. Medically, however, there is much to suggest that marriage offers advantages. It has long been described in numerous studies that lasting relationships are...

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Traitorous Eyes

A twin study suggests that DNA also controls how well one can spot thoughts and emotions in the eyes of one's counterpart. The eyes are the mirror of the soul — at least, that's what they say. And indeed, emotions such as joy, surprise, and fear also appear in the pupils. Our fellow human beings (but also animals, e.g. pets) have learned to interpret this over millions of years. That's why we intuitively look our conversation partner in the eye....

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Flavonoids May Help With Weight Loss

British researchers believe that certain plant substances can influence the amount of body fat. There is this simple rule: If you consume fewer calories than you burn, you lose weight. That's why weight loss programs are all about saving calories. Nevertheless, the rule is too simple because today, one assumes that not only the food or calorie quantity affects weight. Individual food components also have influence. A current study from Great Britain, for instance, allows us to assume that certain plant...

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Gambling Addiction: The Sensible Years, Studied In Twins

For some young people, the transition to adulthood also means starting a career as a gambler. Researchers have discovered that genes are also involved. In the beginning, it is the profit and the powerful feeling of having defeated the machine, the computer, or the bank. In the end, however, nothing remains but a mountain of debt and pure despair. For between 1 and 5% of the general population, gambling has become a drug (1). If one adds the problematic players,...

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Overweight: Growing Influence Of Genes With Aging

Researchers have shown that the influence of genes changes during the first years of life. In childhood, there are other factors in particular that affect weight.  From hi-tech countries to Burkina Faso, almost one-third of the world's population is overweight. The Institute for Health Metrics and Evaluation in Seattle (IHME) estimates that 2.2 billion people are now overweight (1). Researchers are already talking about a disturbing global health crisis. But what is the cause of the steady increase in overweight...

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The Price Of Loneliness Is Sleep, Not Only In Twins

Scientists have found a connection between loneliness and sleep disorders in adolescents. One group, in particular, was at risk.  Humans are social beings. If they are lonely, it not only feels bad, but their health also suffers. Loneliness, as various studies have shown, can be associated with high blood pressure, depression, or weight problems, for example.  However, researchers have observed most of these phenomena in older people in particular. The extent of the correlation in young people is less well...

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