ADHD Fast Facts: Attention-deficit/hyperactivity disorder (ADHD) is a common developmental disorder that affects approximately 9.4% of American children.

OCD Fast Facts: Obsessive-Compulsive Disorder affects an estimated 2.3% of adults in the United States. The rate of diagnosis for women is somewhat higher than that for men.

Alzheimer’s Disease Fast Facts: Advancing age is the most significant risk factor for Alzheimer’s. Only 5% of cases occur in people younger than 65.