Lupus is an autoimmune disease that results when the body’s immune system attacks healthy tissues and organs. Usually, the function of the immune system is to protect the body against infections, but in the case of lupus, the immune system acts abnormally and attacks tissues in different body parts. This activity results in tissue damage. Lupus can be mild or life-threatening and can affect any part of the body, including skin, joints, kidneys, heart, brain, and lungs. Read More