Adderall is made up of amphetamine which is known to affect the heart. It causes palpitations in the heart and the heart to race faster. In some cases it has also caused high blood pressure, and increased the heart rate of a person to dangerous levels. Most college students use memory pills that have Adderall in it to help them focus better and study for much longer hours without getting tired. The chemical Adderall has harmful effects on the body and should be avoided. Children and adults suffering from ADHD or Attention Deficit Hyperactivity Disorder are usually given Adderall to treat it.