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Key Figure - 3 to 5% This is the percentage ...
3 to 5% This is the percentage of the European population affected by psoriasis.
Source: 2002 CHU Claude Huriez France
True or False ? >  result
Psoriasis is linked to stress
We are still unsure as to what precisely causes this skin disease. Nevertheless, the link between psoriasis and stress has been clinically proven. In fact, stress can trigger outbreaks of psoriasis in individuals who have a genetic predisposition to the disease.