At the 1001 Seasons of Elie Saab runway show, Jennifer Lopez performed with a bedazzled manicure and sequined dress.

Severe pain, swollen joints, scaly patches - this is what everyday life is like for many people with psoriatic arthritis.

The lesions aren't painful, but they might be mildly itchy. It's not clear what triggers pityriasis ... It can then spread to ...

Medically reviewed by Casey Gallagher, MDInverse psoriasis is an autoimmune condition that causes itchy, smooth lesions in places where your skin rubs together, like the armpits, groin, and under the ...