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.
The masculinization of the brain is not accomplished by testosterone. I want to repeat this. The masculinization of the brain is not accomplished by testosterone. It is accomplished by estrogen. Testosterone can be converted into estrogen by an enzyme called aromatase. This is vitally important to understand.
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.
estrogen again it's estrogen that is aromatized from testosterone by aromatase sets up the masculine repertoire of sexual and in animals and in humans territorial behaviors so it sets up the circuitry in the brain estrogen does that estrogen sets up the masculine circuitry in the brain and testosterone is then what controls the display of those behaviors later in life
in other words it's estrogen that masculinizes the XY individual that masculinizes the brain and this has profound effects on all sorts of things on behavior on Outlook in the world Etc
aromatase the enzyme expressed in very specific circuits in the brain.