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.
There are the modifications of the DNA, and also there are the modifications of the proteins which condense the DNA that are called histones. So they are also modified by many different chemicals. Again, methylation is a very common modification. Acetylation, even serotonin, serotoninlation of histones.
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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.
And this determines the degree of condensation of the DNA, whether the gene is now more or less accessible, and therefore can perhaps be expressed more or less. This is one way to affect the gene expression and bring about the function of the gene.