Attention deficit hyperactivity disorder (ADHD) may be well known, but there is still a great deal that scientists don't know about it.

There may be good news for the worried parents of kids with ADHD. Stimulant medication treatments may have little to no bearing on later alcohol or substance abuse.

Though the past decade has seen increases in prescription drugs used among adults, the use of doctor-prescribed medications among children has actually declined - with some exceptions.

People with attention deficit hyperactivity disorder (ADHD) frequently read warnings on their medication bottles instructing them to avoid usage if they have structural heart problems or another pre-existing heart condition.

While attention deficit-hyperactivity disorder (ADHD) is most commonly associated with children, adults suffer from it too. New research shows certain medications improve adult ADHD symptoms.