Andrew Huberman· PhD
Whereas in fraternal twins, that number drops, and in siblings, that number drops to about 25%, and in half-siblings, it's about 10%.
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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.
Whereas in fraternal twins, that number drops, and in siblings, that number drops to about 25%, and in half-siblings, it's about 10%.
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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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Well, in what are called concordant monozygotic twins, so these would be identical twins, for which one of those twins goes on to have major depression, there's a 50% probability that the other one will have major depression. So, it's not 100%. It's not 100% inherited. It's not 100% genetic, as you might say, but there's a much higher predisposition for depression.