This informational guide, part of PS’s Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to help. You should always consult your doctor regarding matters pertaining to your health and before starting any course of medical treatment. More than seven million people in the United States have psoriasis, according to the American Academy of Dermatology (and in case you didn’t know, Kim Kardashian is one of them). This chronic, inflammatory skin disease can be frustrating and difficult to treat, especially because it can impact both physical and mental health. “Psoriasis can affect a…