Alcohol can be dangerous in other ways, too. Violence is a serious problem in our society. Fighting, rape, physical abuse, killing and suicide are common forms of violence. Alcohol is often a factor in these things. People who are drinking are more likely to act violently.
Alcohol can also affect people's ability to protect themselves form violence.
Alcohol affects coordination, memory, concentration and perception. A person can suddenly become angry and violent, depressed and quiet, or happy and loving. At the same time alcohol can lower judgment and self control. So someone who feels angry might be more likely to argue, fight or be violent in other ways after drinking. Someone who feels depressed may be more likely to think about suicide.