| Rabies Detailed information on the danger of animal bites and rabies, including symptoms, diagnosis, treatment, and prevention |
| Radiation Therapy Radiation is often used to treat prostate cancer that is still confined to the prostate gland, or has spread only to nearby tissue. |
| Radiation Therapy for Breast Cancer Treatment Radiation therapy is a process that precisely sends high levels of radiation directly to the cancer cells. Radiation done after surgery can kill cancer cells that may not be seen during surgery. |
| Radiosurgery Radiosurgery uses focused beams of radiation to treat cancerous tissues without a surgical incision or opening. The treatment is called "surgery" because creates a result similar to an actual surgical procedure. |
| Radon Detailed information on radon and radon testing |
| Raynaud's Phenomenon This disorder affects blood flow to the fingers and less frequently to the ears, toes, nipples, knees, or nose. Exposure to cold and emotional upset are the triggers. |
| Reactive Arthritis (Reiter's Syndrome) Reactive arthritis, also known as Reiter's syndrome, is a type of arthritis that occurs as a reaction to an infection somewhere in the body. |
| Recognizing Gynecologic Problems Vaginal bleeding and discharge are a normal part of your menstrual cycle. If you notice anything different or unusual, talk with your health care provider. |
| Recognizing Gynecological Symptoms Detailed information on recognizing a gynecological problem |
| Reconstructive Plastic Surgery Overview The goal of reconstructive plastic surgery is to improve body function, but the surgery may also be performed to create a more normal appearance and improve self-esteem. |