Introduction Sexually transmitted diseases (STDs) are bacterial, viral, and parasitic infections that are spread by sexual activity. Females, youths, and people of minority groups have the highest incidence of sexually transmitted diseases. Sexually transmitted diseases may or may not produce…

Introduction Seborrhea, also called Seborrheic Dermatitis, is a common skin condition. When it occurs on the scalp it is called dandruff. Seborrhea on a baby’s scalp is called cradle cap. Seborrhea describes a red scaly itchy skin. The affected areas…

Introduction Scoliosis is an abnormal curvature of the spine. A healthy spine has natural front to back curves. Scoliosis is a condition that describes side to side curvatures of the spine, that often also involve rotational deformities. Some people are…

Introduction The sciatic nerve is the thickest and longest nerve in your body. The sciatic nerve extends from your lower back down to your feet. If the sciatic nerve is compressed or inflamed, a painful condition called Sciatica can result.…

Introduction Rotator cuff tears are a common source of shoulder pain. The rotator cuff consists of four shoulder muscles and their tendons. Tendons are strong fibers that connect our muscles to our bones. The shoulder muscles and tendons cover the…

Introduction Rosacea (acne rosacea) is a chronic skin condition. It predominantly causes redness and flushing on the face. Although there is no cure for rosacea, antibiotics and laser therapy can help manage the condition and improve the appearance of your…

Introduction Rheumatoid arthritis commonly affects the hand. Rheumatoid arthritis is a long-term chronic inflammatory disease. It causes the joints in the hand to become painful, swollen, and stiff. Rheumatoid arthritis can lead to hand deformity and loss of function. Symptoms…

Introduction Restless legs syndrome (RLS) is a condition that causes odd sensations in the legs and an urgency to move the legs. The symptoms become worse while resting or lying down to fall asleep. RLS is not a life-threatening condition,…

Introduction Many people think infertility is the result of “female problems.” However, male infertility is a factor for about 50% of people who have unsuccessfully tried to have children. Infertility means that a couple is unable to have (conceive) a…

Introduction Rectal cancer is cancer that develops in the rectum. The rectum is the last six inches of the large intestine. Bleeding and a change in bowel patterns are common symptoms of rectal cancer. Most rectal cancers are treated with…