"Internal Health" includes medical fields that focus on treating diseases, conditions and injuries that occur inside the body. Cancer includes provider who focus on fighting cancer in patients by using radiation, prescription drugs, and other treatments. Internal Medicine is the branch of medicine dealing with the diagnosis and nonsurgical treatment of diseases. Surgeons operate on their patients to treat a variety of diseases, injuries, or deformities, and many of them specialize. Urologists treat diseases of the urinary tract in men and women. They also provide prostate care for men.