The HPG axis is responsible for the production of testosterone, the main sex hormone in males, other sex steroid hormones (dehydroepiandrosteroneDHEA, androstenedione, dihydrotestosterone, estrogen, and progesterone), peptide hormones (activin, inhibin, and follistatin, which are included in feedback mechanisms and spermatogenesis), production of spermatozoa (sperm cells), and sexual arousal (11, 15)
J Clin Med (2022) 11:4713
FIGURE 2 Protection Against the Effects of Nervous System Aging on Degenerative Diseases Aging is the biggest cause of AD, mainly manifesting as the accumulation of A cell tangles, which eventually lead to memory (Selkoe and Hardy, 2016) and cognitive decline (Sarlus and Heneka, 2017)
Das Problem: Ab dem 20. Lebensjahr produziert dein Krper jhrlich weniger davon
Jean-Paul (JP) Sanday is a partner at Menlo Ventures focused on investments in enterprise AI applications, vertical AI, and digital health