Cocaine is a white powder made from coca leaves. Crack is another form of cocaine that is usually smoked. Crack and cocaine are stimulants that give an immediate high that lasts a few minutes.
Cocaine and crack cause sweating, loss of appetite and increased heart and pulse rate. At higher dose levels users may feel very anxious and panicky.
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Cocaine and crack affect the body and emotions.
After using cocaine and crack, many people feel tired and depressed.
Cocaine and crack use can cause heart attacks and strokes. They can also make you stop breathing.