What is psoriasis and what causes it?
Psoriasis is a skin condition that is caused by a faster than normal turnover of skin cells. Normally skin cells are replaced once a month. The new skin cell rises to the surface while the old skin cell dies and falls off. In a person with psoriasis the new skin cells are moving to the surface too rapidly. The old, dead skin cell builds up on the surface in a dry, white patch. The severity of Psoriasis can vary from person to person. It also can affect multiple part of the body.
Psoriasis is an autoimmune disease that often funs in families. Those with AIDS or cancer seem to be most often affected, because of the weakened immune system. Stress can also make psoriasis worse.
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