Diseases and Conditions

Learn about the symptoms, diagnosis and treatment of sick sinus syndrome, the name for several conditions in which the heart’s…

Sickle cell disease is a genetic condition. It runs in families and is more common in African Americans. It refers…

A silent heart attack is a heart attack without the traditional symptoms. Nearly half of all heart attacks are silent…

Sinusitis is when the lining of your sinuses are inflamed. Due to the swelling, mucus that travels from your sinuses…

Sjögren’s syndrome is an autoimmune disease that causes dry mouth and dry eyes. It can also cause dryness in other…

Skin cancer is the most common form of cancer and highly preventable.

Skin tags are non-cancerous skin growths that feel like a hanging mole. They are common with age.

Sleep apnea is a serious sleep disorder. People who have sleep apnea stop breathing for 10 seconds to 30 seconds…

Learn about the causes of and ways to deal with sleepwalking.

Slipped capital femoral epiphysis is a hip problem. It starts if the growing end of the thigh bone slips from…

Small vessel disease is a narrowing in the tiny arteries in your heart. It also is called coronary microvascular disease…

Social phobia is an irrational fear of being judged by others during social situations.

Somatic symptom and related disorders is a group of conditions in which the physical pain and symptoms a person feels…

Learn what may be causing your sore throat, and what you can do about it.

Every child develops at his or her own pace. But if your child doesn’t talk as much as most children…

Spina bifida is a birth defect that affects the development of a baby’s spine during the mother’s pregnancy. The baby’s…

Spinal cord injuries (SCIs) can be caused by an accident or disease. Learn about the symptoms, treatment, and outlook of…

Squamous cell carcinoma is a common form of skin cancer caused by too much exposure to ultraviolet (UV) radiation.

Learn about the symptoms of and treatment options for stomach cancer.

Stomach viruses are known for stomach pain, vomiting, and fever. There are several causes and it can be very contagious…