genetics

https://www.nature.com/articles/s41467-023-44681-2 https://www.psypost.org/neuroscience-harvard-scientists-just-revealed-a-remarkable-fact-about-brain-development/ “In the age-old question of nature versus nurture, we land decisively on the side of nature,” Barabási told PsyPost. “We challenge...

Hi all, Wondering how much genetics plays a role in secondary sex characteristics vs total testosterone levels. I read a paper (attached) which shows that professional athletes have testosterone levels around 500-600ng/dl, which is around my levels but i have very poor secondary sex...

Nothing new per se but it's a nice summary. Also ventures into genetic predispositions. https://selfhacked.com/blog/hematocrit/

Genetic architecture of human thinness compared to severe obesity

Several studies have been published on the subject of genetic predisposition to certain side effects of testosterone. Here is the latest The role of the androgen receptor CAG repeat polymorphism and other factors which affect the clinical response to testosterone replacement in metabolic...