Alcohol
The use of alcohol can lead to serious health risks, such as the loss of muscle control, poor coordination, slurred speech, fatigue, nausea, headaches, increased likelihood of accidents, impaired judgment, and possible respiratory paralysis.
Heavy drinking can lead to alcoholism; damage to brain cells; increased risk of cirrhosis; ulcers; heart disease; heart attack; cancers of the liver, mouth, throat, and stomach; and hallucinations.