LYCOS RETRIEVER 
Baldness: Men
built 655 days ago
Despite the fact that male pattern baldness is very common, many men who are faced with hair loss feel embarrassment and have low self-esteem. According to Phillip Ginsberg, D.O., J.D., an osteopathic physician who practices in Philadelphia, Pa. when a male is experiencing hair loss it is important to know what is causing the hair loss and become educated about the available treatment options.
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This myth probably stems from the fact that some forms of baldness in some predisposed individuals are caused by androgens, and removal of androgens (by castration) prevents baldness or stops it from progressing further. Yet counterexamples can be found, like men with perfect hairlines and similar levels of androgensor men with sensitivity to androgens causing hair loss but which are not very sexually active.
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Hair loss can be caused by many factors, the most common being Male Pattern Baldness, which affects more than 40% of the male population. Women ... suffer from hair loss, although the causes can be quite different than in men - almost 40% of women will suffer some type of hair loss by age 60.
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Male pattern baldness affects an estimated 35 million men in the United States. That's one in four men! Of this 35 million, hundreds of thousands have undergone hair transplantation surgery only to be left dissatisfied.
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There is no consensus regarding the details of the evolution of male pattern baldness. Most theories regard it as resulting from sexual selection. A number of other primate species ... experience hair loss following puberty, and some primate species clearly use an enlarged forehead, created both anatomically and through strategies such as frontal balding, to convey increased status and maturity. The assertion that MPB is intended to convey a social message is supported by the fact that the distribution of androgen receptors in the scalp differs between men and women, and older women or women with high androgen levels often exhibit diffuse thinning of hair as opposed to male pattern baldness.
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The greatest benefit of finasteride may be in preventing further hair loss in men during the early stages of baldness. In this study11 only 17 percent of the treatment group showed hair loss, while 72 percent in the placebo group showed a progressive loss over the course of the 24-month trial.
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