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Portrait of Priya Raman

Priya Raman

Neurochemist

Writes about transmitters as local signals, the split between daylight and gut serotonin, and sodium where a nerve fires.

A nerve axon depending on a sodium gradient to fire
Neural chemistry

Why nerves misfire when you only drink water

Gut serotonin staying in the gut, walled off from the brain by the blood-brain barrier
Neural chemistry

Daylight, brain serotonin, and the gut's separate pool

A sleep hypnogram with the largest hormone pulse sitting on slow-wave sleep
Hormones and signaling

Growth hormone waits for deep sleep, not for an early bedtime

A mid-afternoon energy dip on a clock, after the post-lunch insulin rise
Energy metabolism

The afternoon dip is a pacing problem, not a moral one