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What causes hair loss? |
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There are many possible causes of hair loss, however most hair loss is normal, and part of each person's individual genetic makeup.
Normal Hair Loss: We all lose hair everyday. Hair grows for a period of time, usually 2 to 4 years, and then the follicles shed the hair and go into a rest stage for approximately 3 months, then a new hair growth cycle begins. It is normal to lose between 50 to 150 hairs per day from normal shedding.
Pattern Hair Loss: Androgenetic alopecia is the scientific name for the genetic predisposition in both men and women for pattern baldness. Pattern hair loss in men is often referred to as Male Pattern Baldness (MPB). Androgenetic alopecia is the cause of over 95% of all pattern hair loss, including baldness in men and thinning hair in women. Pattern hair loss occurs in somewhat predictable stages, and is relentlessly progressive. Usually the earlier in life pattern hair loss begins the more advanced the pattern will ultimately become. Studies have shown that pattern loss is increasingly evident and advanced as people age. Although hair loss in women is generally a far more significant cosmetic problem than in men, a much smaller proportion of women are surgical candidates, since they generally exhibit a diffuse (general thinning) type of hair loss.
In MPB the hairs on the top of the scalp have a genetic sensitivity to the male hormone testosterone (DHT). The hairs on the sides and back of the scalp do not possess this genetic trait and therefore are not affected. For this reason hairs removed from the sides and the back (Donor Hair) will maintain their genetic predisposition when transplanted and continue to grow when moved to the top of the scalp where hair loss has occurred.
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Stoller Medical Center
Toll Free: 888-817-8808
info@stollermedical.com
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