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TL;DR: A Swedish study of 42 people with depression found no link between the brain’s main calming chemical, GABA, and slowed movement, early waking or poor appetite. The researchers measured GABA with two kinds of scans, but most patients had fairly mild vers…
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TL;DR: In mice with a painful, inflamed paw, two separate sets of neurons in a pain-and-emotion brain area seemed to drive different side effects. One set, wired to the amygdala, controlled anxiety-like behavior, while the other, wired to a reward hub, control…
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TL;DR: In a controlled Dutch feeding trial, 41 healthy young adults ate a diet made almost entirely of ultra-processed foods for two weeks, twice. Afterward, the gut hormones that help signal fullness responded to a test meal about the same as they had on the…
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