Eating a healthy diet and exercising regularly help the liver to work well. Eating an unhealthy diet can lead to liver disease. For example, a person who eats a lot of fatty foods is at higher risk of being overweight and having non-alcoholic fatty liver disease. Alcohol can damage or destroy liver cells. Liver damage can lead to the build up of fat in your liver (fatty liver), inflammation or swelling of your liver (alcoholic hepatitis), and/or scarring of your liver (cirrhosis). For people with liver disease, even a small amount of alcohol can make the disease worse. When medicines are taken incorrectly by taking too much or the wrong type or by mixing, the liver can be harmed. Learn about medicines and how they can affect the liver and Follow dosing instructions.