Lupus is a condition where the immune system, which is supposed to protect the body, starts attacking healthy tissues, and that can cause inflammation in different parts of the body, such as the skin, kidneys, joints, lungs, and heart.The condition can affect people of any age, but most often women between 15 and 45 years old experience it. In fact, the Centers for Disease Control and Prevention (CDC) estimates that about 204,000 people in the United States are living with systemic lupus erythematosus (SLE), the most common form of lupus, and close to nine out of ten patients are women.Flare-ups