Attention deficit Hyperactivity Disorder (ADHD) is usually first diagnosed in childhood and often lasts into adulthood. ADHD is an ongoing pattern that interferes with the everyday functioning and development of individuals. Children with ADHD may have trouble paying attention, controlling impulsive behaviors (may act without thinking about what the result will be), or be overly active. ADHD is more common in males than females. Individuals with ADHD often have other conditions, such as learning disabilities, anxiety disorder, conduct disorder, depression, and substance abuse.