Tagged: brain

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How does fasting affect brain function?

Intermittent fasting sounds like an attractive dieting scheme. A quick visit to bodybuilding forums reveals no shortage of people who will attest to its effectiveness. Yet as someone well versed in human physiology, I...

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How long is the optimal midday nap?

The National Sleep Foundation recommends 7-9 hours of sleep daily, but for some of us with night shifts or early mornings, 7-9 is difficult to achieve. Instead we recharge our heads and our willpower...

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Cocaine May Speed Up Aging

Recent research by scientists at Cambridge University suggests that cocaine may speed up the aging process of the brain. Abusers’ neurons age more quickly due to the loss of grey matter in the brain,...

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Brain Math: Monkeys Do Arithmetic Like Us

It’s increasingly harder to deny computers are more logical (at least deductively) than human brains, and math is long considered the epitome of logical reasoning. Having built computers, we understand fairly well how is it they do math....

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DSM V, mental health rewritten.

The DSM, Diagnostic and Statistical Manual of Mental Disorders, is the go-to manual for psychiatric treatment and diagnoses. Since 1994, the DSM-4 governed what types of disorders qualify as mental disease. The revised DSM will...