Baldness (alopecia) is the partial or complete loss of hair. With age, in men and women will decrease the density of hair. Men have a particular pattern of baldness associated with the hormone testosterone. If a man does not produce testosterone (because of genetic abnormalities or castration), then he will have no such pattern baldness. Women also have a special pattern baldness.
Alopecia occurs most often on the scalp, usually occurs gradually and may lose all scalp hair (alopecia totalis) or just the patches on the scalp. About 25% of men begin to bald by the age of 30 years and about two-thirds of men become bald at the age of 60 years.
The average scalp contains 100,000 strands of hair and every day, an average of 100 strands of hair missing from the head. Each strand of hair was 4.5 years, with growth of about 1 cm / month. Usually in year 5 and the hair will fall out within 6 months will be replaced by new hair. Inherited baldness caused by the failure of the body to form new hair, not because of excessive hair loss.
CAUSE
- It could be:
- Descent
- Aging
- Changes in hormone
- Fever
- State of local skin
- Systemic disease
- Certain medications, such as those used to treat cancer or excessive vitamin A
- The use of shampoo and hair dryer excessive
- Emotional stress or physical stress
- Anxious behavior (habit of pulling hair or scratching of the scalp)
- Burn
- Radiation Therapy
- Tinea capitis
- Trichotillomania.
SYMPTOMS
Male Pattern Baldness
Male pattern baldness is a particular pattern of baldness in men, which is caused by hormonal changes and heredity. Baldness occurs due to the shrinking hair follicles that produce hair is shorter and smoother. The end result of this situation is a very small hair follicles, which has no hair. The cause of the failure of new hair growth is not fully understood, but it is related to hereditary factors and androgens, mainly dihydrotestosterone from testosterone.
Male pattern baldness begins at the hairline; in stages, the hairline down to form the letter M. Hair becomes smoother and does not grow along before. The hair on the crown also begins to thin and eventually the upper end of the M-shaped hairline meets the thinned crown which, forming a horseshoe-like baldness.
