Amanda Seyfried Takes Antidepressants for Mental Health Issues, Mean Girls Star Also Eats Healthy Food for FitnessFoods4BetterHealthShe's known for her roles in Mean Girls, Mamma Mia, Dear John, and Ted 2, but did you know that stunning actress Amanda Seyfried suffers from the mental illness known as obsessive-compulsive disorder (OCD)? It's true, and Seyfried recently opened up ...