Answer:
The correct answer is - amphetamines.
Explanation:
Amphetamine is a synthetic stimulant that is mood-altering drug and illegally used for improving the performance by the athletes. It is only available with a prescription of a doctor to treat narcolepsy and ADD in children.
This speeds the messages in between the brain and body of an individual. These drugs or stimulants have many side effects like fatigue, tiredness, and mood swings or depression.
Thus, the correct answer is - amphetamines.
