American Testosterone Clinic for Men

Reading Time: 2 minutesBy Serena Gordon HealthDay Reporter WEDNESDAY, Jan. 1, 2014 (HealthDay News) -- When men are young, testosterone tends to get a bad rap, often blamed for aggressive and overly competitive behavior. But as men get older, the bad rap continues, though for a different reason. In older men, it's low testosterone that has captured attention. Testosterone, the male hormone, plays a vital role in many body functions, and low testosterone levels can leave men tired, uninterested in sex, infertile and with thinning bones, according to the U.S. National Library of Medicine. It's also a fairly common problem in older men. … Read more »

Reading Time: 2 minutesDec. 23, 2013 at 3:05 PM ET Getty Images stock Sorry, dude, we know you're suffering. Higher testosterone levels may give men a weakened immune response to infectious illnesses like the flu. Just in time for flu seasons peak, science may have figured out a reason why some men make wimpy, needy patients compared to women when it comes to infectious diseases. A report released today in the Proceedings of the National Academy of Sciences (PNAS) links testosterone levels with response to flu vaccine, showing that, as a group, men with higher levels of the male hormone are more likely … Read more »

Reading Time: 3 minutesWhile small-scale horticulture is a relatively recent addition to the human repertoire of food provisioning, hunting has deep evolutionary roots. In practically every society, hunting ability correlates with reproductive success the better the hunter, the more children he is likely to father. Studying physiological data including testosterone and cortisol levels collected from members of the Tsimane, an indigenous group of forager-farmers and hunters in central Bolivia, UC Santa Barbara anthropologists Ben Trumble and Michael Gurven and colleagues at the University of Washington and the University of New Mexico have found evidence suggesting that testosterone and cortisol levels increase when men … Read more »