Attention deficit hyperactivity disorder (ADHD) is a neurobehavioral disorder affecting children and adults globally. It is characterized by inattention and excessive movement, which oftentimes leads to a low ability to do well in school. ADHD is becoming a well-known disorder as it is diagnosed more frequently than it was in the past.

The exact cause of ADHD has never been found, although medical doctors and researchers have compiled a list of potential causes. There is speculation that the disorder is connected to altered brain activity, heredity, maternal smoking or drug use, as well as childhood exposure to toxins.

After diagnosing a person with ADHD, some doctors will want to prescribe a medication that will counteract the disorder. Most often prescribed are stimulants, such as methylphenidate, dextroamphetamine, and dextroamphetamine-amphetamine. Also prescribed are non-stimulant medications, anti-depressants, and drugs prescribed primarily for high blood pressure. All of the preceding drugs have been proven …