Alcohol can cause:
Serious liver problems (alcoholic liver disease).
Some stomach disorders.
Pancreatitis (severe inflammation of the pancreas).
Mental health problems, including depression and anxiety.
Sexual difficulties such as impotence.
Muscle and heart muscle disease.
High blood pressure.
Damage to nervous tissue.
Accidents - drinking alcohol is associated with a much increased risk of accidents. In particular, injury and death from fire and car crashes. About 1 in 7 road deaths are caused by drinking alcohol.
Some cancers (mouth, gullet, liver, colon and breast).
Obesity (alcohol has many calories).
Damage to an unborn baby in pregnant women.
Alcohol dependence (addiction).