One other minor factor in hair loss is stress, which is thought to accelerate already genetically programmed hair loss. However, it probably does not cause hair loss by itself without the necessary genes and hormones.

The tendency for male and female pattern hair loss is genetically inherited from either side of the family and begins to develop after puberty. Hair on the scalp that is genetically susceptible to androgenetic alopecia (generally the front and top of the scalp), starts to shrink in its shaft diameter and potential length during each 3 to 5 year “life cycle,” until it eventually disappears. Unfortunately, by the time most men notice their hair is thinning, 50% of their hair may already be gone. The hair on the back and sides of most men’s scalps is usually genetically “permanent” hair, which is destined to remain for that man’s lifetime.

This permanent hair is ideal donor hair for hair restoration surgery.

RELATED DOCUMENTS: HAIR RESTORATION SURGERY

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