Substance use amphetamines: MedlinePlus Medical Encyclopedia
Amphetamines alter brain chemistry to trigger an enormous release of dopamine and norepinephrine. These neurotransmitters control pleasure, motivation, energy, and attention. While the natural brain releases these chemicals in small amounts to reward healthy behaviors, amphetamines flood the system with levels 10 to 1,000 times higher than normal, creating intense euphoria and alertness. The Recovery … Read more