Psoriasis Risk Factors
Written by the Healthline Editorial Team | Medically Reviewed by Jennifer Monti, MD, MPH
Published on June 10, 2011
There is no known cause of psoriasis. However, doctors have discovered several factors that can contribute to the development of psoriasis:
Family HistoryExperts believe that psoriasis has genetic traits that can be passed down. About one in three people with psoriasis have a relative with the disease, according to the National Psoriasis Foundation. A parent with the disease has about a 10 percent chance of passing it down to a child, where two parents with psoriasis have about a 50 percent chance of passing down the trait.
StressWhile stress doesn’t cause psoriasis, it is a major factor in its development and often the cause of severe outbreaks.
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