Testosterone can justifiably be called the hormone that makes a man, a man. Unfortunately, as many as 5 million Americans have been diagnosed with low testosterone levels, with another 12.5 million suspected of suffering from low testosterone, but who aren't receiving treatment.
What Does Testosterone Actually Do?
Testosterone is a hormone in the body that nurtures development of male sexual characteristics. It is produced by the testes. Without adequate production of testosterone, infertility results. The development of mature sperm requires testosterone. Women also produce testosterone, but in much smaller amounts.
Aside from the production of sperm, testosterone is also thought to regulate other functions: sex drive, bone mass, fat distribution, muscle development, and red blood cell production.
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