@webmd : Doctors aren't sure what causes psoriasis -- they think problems with genes and the immune system play a role. Learn more: wb.md/4a7zBqZ • TwiCopy

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linkhttp://wb.md/2kilagk calendar_today23-03-2009 01:43:59

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Doctors aren't sure what causes psoriasis -- they think problems with genes and the immune system play a role. Learn more: wb.md/4a7zBqZ