What is Attention Deficit Hyperactivity Disorder (ADHD)? – Dr Selvasingam Ratnasingam

Attention deficit hyperactivity disorder (ADHD) is one of the most common childhood disorders and can continue through adolescence and adulthood. Symptoms include difficulty staying focused and paying attention, difficulty controlling behaviour, and hyperactivity (over-activity). In the U.S.A, 9% of adolescents…