The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
The precursor to dopamine is tyrosine, but the precursor to a lot of the melanin-producing elements of cells that give pigmentation, including for the hair, is tyrosine and tyrosinase, an enzyme, so yes, the same amino acid-based pathway, and many of the same enzymes that are devoted to dopamine and dopamine increasing the sex steroid hormones are devoted to giving pigmentation to the hair and skin
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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Tyrosine is a precursor to dopamine. It's an amino acid that is in direct pathway to dopamine synthesis