Long-term use can produce hallucinations, confusion, and an itchy feeling that may feel like ants are crawling under your skin. Cocaine affects your judgment, so that risking your life by sharing needles or having unsafe sex may not seem important to you at all, as long as you can get more of the drug. Alcohol slows down your body functions, leading to slower thinking and slower reacting . After having one drink, things like your talking, hearing, and speaking become slower and foggier. As a person becomes more intoxicated, standing up or doing anything physical becomes difficult.
Heavy intoxication can lead to shallow breathing and loss of consciousness .
The heart might stop and death can occur. Alcohol also lowers inhibitions , so that it becomes easy to say and do things that may be inappropriate, embarrassing or show poor judgment . People are more likely to get in car accidents and do things that put them at risk for AIDS when they are drunk. Marijuana slows down the brain and the body , causing you to think and act more slowly than usual. Using marijuana can give you problems in school, because it makes it hard to concentrate and hard to remember information .