Question

which disease is caused by the bodys immune system attacking healthy cells? lupus cancer sickle cell disease cardiovascular disease

Explanation:

Lupus is an autoimmune disease. In autoimmune diseases, the immune system mistakenly attacks the body's own healthy cells. Cancer is uncontrolled cell growth. Sickle cell disease is a genetic blood disorder affecting red blood cells. Cardiovascular disease relates to heart and blood - vessel issues.

Answer:

lupus