The liver is located under the rib cage and is essential for digesting food, absorbing nutrients, eliminating toxins, and storing vitamins and minerals. Liver disease can be genetic, caused by viruses like hepatitis, or damage from excessive alcohol intake or obesity. Over time, liver damage leads to scarring called cirrhosis and can cause liver failure. Symptoms of liver disease include jaundice, abdominal pain, fatigue, and bruising easily. Treatment depends on the cause but may include lifestyle changes, medication, or transplantation for severe liver failure. Prevention involves limiting alcohol, vaccinations for hepatitis if at risk, taking medications properly, and maintaining a healthy weight.