Methamphetamine: Scientists in the early 20th century

Scientists in the early 20th century developed it in an effort to improve the medication amphetamine. But their creation turned out stronger than they expected — too strong for most people to use... Learn about crystal meth, a highly addictive stimulant drug that affects the central nervous system. Find out how it's made, used, and what it can do to your body and mind. Methamphetamine is a synthetic stimulant with high addiction potential and serious health risks. Learn about its effects, overdose, treatment, and data from NIDA and other sources. Methamphetamine is a Schedule II stimulant under the Controlled Substances Act, which means that it has a high potential for abuse and a currently acceptable medical use (in FDA-approved products).