Drugs can cause misleading perceptions of what is happening around the user. Cocaine is one of the deadliest drugs known to man and is sometimes called Blow, Sniff, Charlie, Snow or Flake. Cocaine can be injected, consumed, or rubbed into the gums, but is most often snorted. It comes in powder or crystal form. The powder is mixed with corn starch, talc/sugar or other medicines such as; procaine (local anesthetic) or amphetamines. It was originally used as a pain reliever. Crack stimulates key pleasure centers in the brain and causes extremely increased happiness and self-confidence. A tolerance to cocaine quickly develops trying to get the lady high like before. Only higher doses can cause the same effect. Short-term effects would be that you would have a short-lived effect that would only last for about 15 minutes. You wouldn't be able to sleep or eat anything. You could have a heart attack, stroke, seizures or difficulty breathing. All of this could potentially lead to sudden death. Long-term effects as dependence increases, quantity increases, daily use causes...