Can psoriasis occur at any age?

Yes. Psoriasis affects males and females pretty much equally and can indeed occur at any age. However the most common age range to see it is between 15-35 years. It is the most common autoimmune disease in the us. It is not contagious and in many cases there is a genetic predisposition to develop the condition.
Psoriasis age. Psoriasis can occur at any age, even in infancy.