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.
So these two hormones, thyroid hormone and growth hormone, we think of as related to metabolism of things in the body, keeping body fat low, and keeping muscles strong, and tendons strong and repairing themselves, et cetera, but they are also key for brain function, for the ability to maintain cognitive function throughout the lifespan.
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.
But regardless, even if you're not interested in changing body composition, these two hormones, thyroid hormone and growth hormone, are super important for metabolism of all kinds, including tissue repair after injury, including maintaining cognitive function and well-being and the ability to think clearly as you age, offsetting dementia and so forth.