Testosterone may be the world ... levels are likely to be around 30 per cent lower than at their peak. This, Stevens stresses, does not imply that men are going through anything similar to ...
Vin Tangpricha, MD, PhD …Roughly, I would say about 25 percent of men over 45 may have low testosterone. Low testosterone levels have also been associated with decreased muscle mass ...
The study enrolled 88 men (60 years or older) with symptoms of hypogonadism and low testosterone levels (5.2–10.4 nmol/l in a single measure or 10.4–12.1 nmol/l in two consecutive measures).