 Over 2.5 million Americans are prescribed Adderall, and roughly 50% of college students that were prescribed this drug have been asked by their peers if they can buy some.Adderall is linked to aggression, restlessness, increased blood pressure and heart rate, paranoia, psychosis, seizures, heart attack, and stroke.Adderall is known to only improve the cognitive processing in those who have conditions such as ADHD; for individuals with no cognitive condition, the drug should have no effect and taking this drug can result in negative effects.