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.
Folic acid delivers one-carbon groups. Vitamins, most of them, are co-enzymes for some enzyme in metabolism that's doing some work. And one pathway that folic acid is involved with is putting one-carbon units into DNA and into RNA. So it's involved with nucleic acid synthesis.
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.
So the reason that folic acid deficiency causes problems is you don't put a methyl group on thymine.