Alcohol is an addictive drug found in drinks that can cause a person to act and feel differently. Depending on the amount consumed, drinking alcohol can be considered moderate drinking, binge drinking, or heavy drinking.
An alcohol use disorder occurs when the use of alcohol causes issues that interfere with a person’s health and responsibilities. People with an alcohol addiction continue to drink despite these consequences.
Blood alcohol concentration (BAC) is the percentage of alcohol in a person’s blood. People with a BAC of 0.08 or above are considered intoxicated.
The central nervous system slows down when people consume alcohol. This causes brain functions to slow, chemical changes to occur, and a decrease in inhibition.
Most people who drink too much will experience a hangover. Symptoms may include headaches, muscle aches, vomiting, dizziness, and sensitivity to light and sound.
Alcohol poisoning is a medical emergency that results from too much alcohol in the bloodstream. Extreme cases can lead to permanent brain damage or death.
Drinking alcohol long-term is associated with serious consequences, including permanent issues with learning and memory and chronic diseases such as cirrhosis.
Alcohol is the most commonly abused drug among youth in the United States. People who drink alcohol may experience various mental, social, and legal consequences. Drinking alcohol also puts people at greater risk for accidents and other risky behaviors.