Methamphetamine
Methamphetamin, also known colloquially as meth or crystal meth, is a psychoactive stimulant drug. It increases alertness, concentration, energy, and in high doses, can induce euphoria, enhance self-esteem, and increase libido.
Methamphetamine has high potential for abuse and addiction by activating the psychological reward system via increasing levels of dopamine, norepinephrine and serotonin in the brain.
Read more about Methamphetamine on Wikipedia.
Footnotes
- Nagai Nagayoshi discovered Methamphetamine.
- Ephedrine preceded Methamphetamine.