Harnessing the immune system to fight cancer was once a far-fetched medical dream, but now immunotherapy is taking off thanks to concrete data and billions of dollars in funding. Instead of directly attacking cancer like chemotherapy does, immunotherapy attempts to help the immune system recognize cancer as a threat, and attacks it. Immunotherapy is a rapidly expanding field with hundreds of clinical trials currently underway for every type of cancer, and the increasing success of these treatments are giving doctors and patients alike the hope that healthier alternatives to chemotherapy and radiation are on the horizon. See here how immunotherapy is changing the future of cancer treatment.