Why Hair Falls Out & Thyroid Causes

Thyroid problems maybe the answer to why hair falls out in some cases.

Hormonally induced hair loss takes place when an enzyme starts to convert the hormone testosterone on the scalp to dihydrotestosterone, or DHT. It is believed that DHT attacks the hair follicle, and shrinks it. Hair becomes thinner and finer, and may stop growing entirely. This conversion of testosterone to DHT seems to be sped up in some patients with thyroid problems such as hyperthyroidism or hypothyroidism.

Rapid hair loss is one of the symptoms associated with thyroid problem - the thinning hair, large amounts of hair falling out in the shower or sink, often accompanied by changes in the hair's texture, making it dry, coarse, or easily tangled.

While thyroid disease frequently causes general hair loss from the hair on the head, a unique and characteristic symptom of hypothyroidism is loss of the hair on the outer edge of the eyebrows. General loss of body hair from areas other than the head may also be seen in thyroid disease.


Watch the video clip by About.com here Thyroid & Hair Loss here


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