What does “excessive” alcohol do to the body?
Excessive alcohol consumption can harm nearly every organ system. The risk rises with both the amount consumed and how often a person drinks, and it increases even more when alcohol replaces food or sleep, or when drinking leads to binge episodes and injuries.[1]
What happens to the liver?
The liver is one of the first organs to take major damage from heavy drinking. Alcohol can cause fatty liver, alcoholic hepatitis, and eventually liver scarring (cirrhosis), which can lead to liver failure and liver cancer.[1]
How does alcohol affect the brain and mental health?
Heavy or frequent drinking can impair brain function and increase the risk of alcohol use disorder. It also can worsen anxiety and depression for many people, and it raises the likelihood of risky behavior and accidents, especially during intoxication.[1]
What are the heart and circulation risks?
Excessive alcohol can raise blood pressure and contribute to heart rhythm problems. Long-term heavy drinking also increases the risk of cardiomyopathy (weakened heart muscle) and stroke.[1]
Does it increase cancer risk?
Alcohol increases the risk of several cancers, including cancers of the mouth, throat, esophagus, liver, breast, and colon/rectum. The risk increases as alcohol consumption rises.[1]
What about the stomach, pancreas, and nutrition?
Alcohol can irritate the stomach lining, contribute to gastritis, and worsen reflux. It is also linked to pancreatitis (inflammation of the pancreas). Over time, heavy drinking can lead to nutritional deficiencies that affect overall health.[1]
What short-term dangers do people face with binge drinking?
Binge drinking can cause acute alcohol poisoning, falls, drownings, and other injuries. It also increases the risk of driving under the influence and unsafe sex, which raises risk for sexually transmitted infections and unintended pregnancy.[1]
How much is “too much” and who is most at risk?
Risk depends on sex, body size, genetics, overall health, and drinking patterns. People who drink frequently, consume larger quantities, or have a history of liver disease, mental health conditions, or substance use are generally at higher risk.[1]
Are there health effects from even moderate drinking?
Some health risks increase with any regular alcohol use, and risks (especially cancer risk) rise with higher intake. The overall health impact varies by individual circumstances and drinking pattern, including whether drinking stays low and avoids binge episodes.[1]
What are the signs someone may need help reducing or stopping?
Common warning signs include being unable to cut down, needing more alcohol to get the same effect, drinking despite health or relationship problems, or experiencing withdrawal symptoms when alcohol use stops. If someone recognizes these patterns, seeking medical support can reduce harm.[1]
Sources
[1] National Institute on Alcohol Abuse and Alcoholism (NIAAA), Alcohol’s effects on the body and health risks. https://www.niaaa.nih.gov/alcohols-effects-health