The liver is in the upper right part of the stomach. This dark, red organ is big. It weighs more than one kilogram. And, it has a big job. The liver helps clean the blood and fight infection. It also helps break down food and store energy until the body needs it.
Hepatitis destroys liver cells. Some kinds of hepatitis are much more serious than others. Scientists have identified the six kinds of hepatitis with the letters A, B, C, D, E and G. Which kind a person has can only be known from tests for antibodies in the blood.
Antibodies are special proteins that the body's natural defenses against disease produce in answer to a threat. Identify the antibody and you identify the threat.