Biological Factors: News and Research on Serotonin

MeSH tree: D23.469.050.650

Why does having a crush make you feel crazy?

The feeling starts in your nervous system. Your pupils dilate, you become short of breath, sweat collects on your palms, and suddenly you can't eat a bite. You're in love—or in lust, at the very least. It's what psychologist ...

Fruit fly 'Fox' neurons show how brains assign value to food

Why do we sometimes keep eating even when we're full and other times turn down food completely? Why do we crave salty things at certain times, and sweets at other times? The answers, according to new neuroscience research ...

Good sleep starts in the gut

You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.

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