Cocaine and crack are powerfully addicting stimulant drugs. The initial cost of cocaine/crack is within economic reach. As one continues using, the price increases as does the potential to one’s health. Cocaine is a white powder that comes from the leaves of the South American coca plant. Many people think that cocaine and crack are safe to use. Millions have discovered that cocaine, snorted as a powder, smoked as crack, or used in any form, is a powerfully addictive drug. Cocaine belongs to a class of drugs known as stimulants, which tend to give a temporary illusion of limitless power and energy. Cocaine and crack also cause increases in blood pressure, heart rate, breathing rate, and body temperature. Users lose their appetite and have trouble sleeping. A very great danger for all cocaine and rock users is addiction. Cocaine and crack affect the heart muscle. The drug most commonly used in conjunction with cocaine is alcohol.