Hair loss from Androgenetic (Genetic hair loss)

Hair loss from Androgenetic, also known as male pattern hair loss is a major problem that affects men, and are such that up to 50% of men who are made genetically inclined to be affected by the age 50th It is characterized by progressive, patterned hair loss from the scalp, and its prerequisites are a genetic predisposition and sufficient circulating androgens (steroid hormone such as testosterone or androsterone, which promotes male characteristics). According to Sinclair (1998) every white man has inherited predisposition of autosomal, and as such, 96% lose hair to some degree. Sinclair also mentions that white men are four times more likely to develop early hair loss than Black men. Hair loss begins to puberty with an extremely variable rate of progress is not usually on.

The condition is quite common in women and is called female pattern hair loss. In women, "it is characterized by the diffuse reduction in hair density over the crown and frontal scalp with retention of the frontal hairline". Birch and al (2002) mention the fact that in some women the hair loss may affect a small area of the frontal scalp whilst in others the entire scalp is involved. In advanced female pattern hair loss, the hair is very sparse over the top of the scalp bit a rim of hair is retained along the frontal boundary. The vertex (crown or top of the head) balding seen in men becoming rare in women; However, a female pattern of hair loss in men is not uncommon. The dependent androgen nature or the genetic basis of female pattern hair loss have not been clearly established, although a study is carried out by Sinclair and al (2005) showed that androgens play an important role in the development of female pattern hair loss play.


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posted by 武相荘翁 at 16:20 | Comment(0) | Male pattern hair loss