There’s a dark side to being a millennial (aged 18-33) or Gen Xer (age 34-47), and the word starts with a big, scary, looming “A.” Anxiety, according to the APA, is at a record high, especially among youth. More than 52% of Millenials report that they've lost sleep in the past month due to stress, and 44% of millenials report stress has made them angry or irritable. Meanwhile, twentysomething celebrities like Demi Lovato and Emma Stone have become the poster children for overcoming an anxiety disorder. We took a look at the how stress and anxiety is affecting your skin.