Amphetamines are central nervous system (CNS) stimulants prescribed for the treatment of:
Narcolepsy. Hyperactivity, e.g. ADHD. Asthma.
For example, two common CNS stimulants, Adderall and Ritalin, are prescribed for hyperactivity disorders and narcolepsy, but are commonly abused.
Amphetamines are usually abused for his or her ability to suppress appetency and fend off fatigue.
In fact, many of us World Health Organization begin taking amphetamines to reduce or stay awaken, for instance to review, get caught within the internet of use and abuse