Psoriasis is thought to be caused by an excessive immune response, which results in an overabundance of skin cells regenerating. The development of psoriasis includes a combination of genetic, environmental, and psychological components.[1]
What causes psoriasis?
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•Last Updated: May 16, 2025
Psoriasis is believed to be caused by an excessive immune response that leads to an overproduction of skin cells. Its development involves a combination of genetic, environmental, and psychological factors.