Why women lose their hair
Hair loss is a problem faced by many women. It is normal to lose about 100 strands of hair per hay, but neglect when the amount of hair lost exceeds normal limits it is not matter of neglect. Hair loss can have several causes, both external and internal and untreated can have serious consequences for physically and also mentally.
According to specialists, hair loss and thinning of the hair can be caused by nutritional deficiencies, stress, certain medication, hormonal imbalance and genetic disposition. Hair loss can be temporary- telogen effluvium- or permanent, a genetic condition called androgenetic alopecia. Usually with age hair loss may be inevitable, but if we take good care of it and stimulate its growth, we can reduce the amount of hair loss.
Many times hair loss in women is triggered by perturbation in the hormone balance. This is the reason why hair loss is common in pregnancy or when women stop taking birth control pills. Also hair loss is frequent after a miscarriage or an abortion. In these situations hair loss is diffuse (from all over the head). At puberty, because of the sudden change in hormone at all levels, the hair appearance may be change.
Androgenetic alopecia is determined by the testosterone level in the body. Women also produce testosterone, but in smaller quantities. Testosterone can be “converted” into dihydrotestosterone (DHT) by the enzyme 5-alpha-reductase. DHT shrinks hair follicles of hair, which makes the membranes in the scalp to thicken, become less elastic and obstruct the blood flow. This process leads to atrophy of the follicles. As a result, when a hair falls, it is not replaced by another one. Considering the fact that men produce more testosterone than women (10 to 15 times more than females), they are also the most affected by baldness.
Although androgenetic alopecia is the primary reason for hair loss, it is not the only trigger of hair loss. Medical conditions such as hypothyroidism, ringworm and fungal infections can cause hair loss. Some medications such as anticoagulants, gout medicines, contraceptives and excess of Vitamin A can cause sudden or abnormal hair loss. The same effect can have a strict diet, sudden hormonal changes, chemotherapy or radiation. Emotional stress, pregnancy or surgery can also cause these periods of accelerated hair loss, and usually it happens after 3-4 months after the traumatic event occurred. Stress can cause a slow growth of new hair, because a large number of follicles enter the phase of “resting”, which means there is no new hair growth.
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