BMJ's Drug and Therapeutics Bulletin says that around 80 percent of 60-year-old men, and half of those in their eighties, have testosterone levels within the normal range for younger men. Unlike menopause in women-when estrogen levels plummet and stop almost completely-testosterone levels in men normally fall by only 1 to 2 percent per year after age 40. They hastened to add, however, that a normal "T" level for one man may be low for another.Īccording to British Medical Journal (BMJ), the European Male Ageing Study has provided the best estimate of the prevalence of low T-defined as a combination of sexual symptoms and measured testosterone level-finding that only 0.1 percent of men in their forties, 0.6 percent in their fifties, 3.2 percent in their sixties, and 5.1 percent of men in their seventies would meet the criteria for the diagnosis. The medical experts interviewed for this article emphasized that low testosterone-also known as hypogonadism or hypotestosteronemia-is real for a slim percentage of men. ![]() Testosterone levels in men fall by only 1 to 2 percent a year after age 40.ĭon't get me wrong. It will be a veritable second adolescence as your aging body bursts into new bloom. ![]() Instead, just think of the energy you'll have. But you're not supposed to focus on the details. And in pets, it can cause aggressive behavior and enlargement of the genitalia.Ĭommercials do mention other potential side-effects for the male user, calling them "rare," including swollen and painful breasts, blood clots in the legs, increased risk for prostate cancer, problems breathing during sleep (sleep apnea), change in the size and shape of the testicles, and a low sperm count. In children, exposure to testosterone gels and creams can cause premature puberty and aggression. It can cause excess hair to grow on women's faces and arms, deepen their voices, interrupt menstruation, and make them anxious and irritable. The gel is actually notorious for transferring to others. They also don't make clear how risky exposure to testosterone gel is for others-female partners, children, even pets. The commercials don't mention a 2009 study in the New England Journal of Medicinewherein a group of men on testosterone replacement therapy had more than four times the number of cardiovascular problems- so many that the study had to be halted. Now they feel more like the men they used to be. Fit-looking middle-age men telling you how they put on weight, had less energy, and were no longer the sexual tigers they were in their twenties-until, that is, they started rubbing testosterone gel on their shoulder, upper arm, or abdomen. ![]() By now you've likely seen the commercials.
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