Psoriasis can feel like an uninvited guest that shows up on your skin and refuses to leave. Those red, scaly patches—often ...

Medically reviewed by Susan Bard, MD Psoriasis causes are more complex and challenging than you may anticipate. Though it ...

A very common skin condition, psoriasis affects approximately 2% of the world’s population. The disease can occur at any age, but 75% of cases occur before age 40 years. Frequently, there is a genetic ...