Dihydotestosterone (DHT) And Male Pattern Baldness
The first step to discovering how to stop hair loss is understanding Dihydotestosterone (DHT) and Male Pattern Baldness. Male pattern baldness, also known as androgenetic alopecia, is responsible for the vast majority of hair loss in men. It's true that some people lose their hair to serious diseases or because of certain medications they may be taking, such as anticancer drugs - and very rarely, in response to extremely stressful events - however, most hair loss in men is simply because of heredity. Men with male pattern baldness inherit hair follicles with a genetic sensitivity to dihydrotestosterone (DHT). DHT is made in the body from testosterone by the action of the enzyme 5-alpha-reductase, mainly in the prostate gland, testes, adrenal glands and hair follicles. most comprehensive blend of extra-strength vitamins for hair loss and hair thinning.
While the genetic process of male pattern baldness is not completely understood, health experts do know that DHT shrinks hair follicles by causing them to miniaturize, shortening the lifespan of each follicle affected. Normally, DHT is responsible for so-called 'secondary male sex characteristics' such as facial hair and a deep voice. However, while DHT puts more hair on the face, it also takes hair off the scalp and is directly responsible for gradually thinning hair over time by gradually stifling the hair follicle's ability to produce hair. Eventually, such affected follicles stop producing cosmetically acceptable hair. On the other hand, when DHT production is suppressed by drug therapy, hair follicles continue to grow well and thrive.
The most important structure of a hair follicle is at its base, called the dermal papilla, which is responsible for getting the nutrients needed for proper hair follicle growth. Everyone's hair goes through stages of growth, transition and shedding but this life cycle gets disrupted by DHT. An inherited tendency to lose hair usually means that hair follicles are particularly sensitive to the effects of DHT - which prevents proteins, vitamins and minerals from providing nourishment to hair follicles. This causes hair follicles to shrink and hair to grow at a slower rate, meaning either that the growing phases of the hair follicles become shorter or the resting stages become longer, or both. The result is thinning hair as the hair shaft becomes finer with each new growth phase. Eventually, new hairs simply stop emerging. Hair follicles that are sensitive to DHT must be exposed to the hormone for long periods of time for the affected follicle to complete the miniaturization process.
Male pattern baldness is typically characterized by a receding hairline and thinning crown. Hair in areas including the temples and mid-anterior scalp appear to be the most sensitive to DHT. This pattern eventually progresses into more widespread baldness throughout the entire top of the scalp, leaving only a rim or 'horseshoe' pattern of hair remaining in the more advanced stages of baldness. For some men, even this remaining rim of hair can be affected by DHT. Today, with proper intervention, this process can be slowed or even stopped if caught early enough. While DHT is the primary contributing factor in male pattern baldness, female hair loss is more complex and DHT is only one of several possible causes. Women with higher than normal levels of DHT may develop some male characteristics, such as deeper voices and facial hair. DHT is also believed to play a role in the development of benign prostatic hyperplasia and prostate cancer by making the prostate gland bigger since prostate growth and differentiation are highly dependent on sex hormones, particularly DHT.
Scientists at the American Hair Loss Association agree that the primary cause of male and female pattern baldness is increased production of DHT in hair follicles as they age. Traditional hair loss products focus more on cosmetic solutions rather than going straight to the root cause of thinning hair. Fortunately, scientifically proven treatments for hair loss can help to overcome many hair loss conditions. The knowledge of the central role played by DHT has resulted in medications that interfere with hair loss either by increasing blood flow and nutrient supply to the hair follicle, or by directly inhibiting the production of DHT by blocking the action of the enzyme 5-alpha-reductase.
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Hair Loss In Women: Causes And Solution
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