Andrew Huberman· PhD
So indeed there's a rate of aging that we will undergo based on our genetics, but stress will make us go gray.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
So indeed there's a rate of aging that we will undergo based on our genetics, but stress will make us go gray.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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Stress caused hair to turn prematurely gray by activating noradrenaline, a neurotransmitter involved in the "fight or flight" response to stress, which caused the depletion of stem cells responsible for producing pigment in hair follicles (animal study).