What is testosterone and what does it do?
Answers: Testosterone is a male hormone (but it's found in women in very small amounts). It can be used in a man or woman to increase muscle, but using synthetic testosterone (steroids) is very bad for men and women. In men it has been shown to shrink the testicles and cause 'roid rage. In women it has been shown to shrink the breasts and cause facial hair growth. No one should take any type of testosterone supplement or steroid unless prescribed by a doctor..
its the hormone in a guys penis that makes him want more sex
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