Amphetamines are a class of central nervous system (CNS) stimulant drugs that increase the levels of certain neurotransmitters, primarily dopamine and norepinephrine, in the brain. They are known for their ability to enhance focus, energy, and wakefulness, making them commonly used for the treatment of attention-deficit/hyperactivity disorder (ADHD) and narcolepsy, as well as for their potential for abuse and addiction.
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