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Shoulder pain, whether caused by a specific injury or not, can be treated with active rest and range-of-motion exercises as…
Shoulder injuries, arthritis and inflammation in and around joints are common problems in adults, often causing severe pain, discomfort and…
Sick sinus syndrome is the name for several conditions in which your heart doesn’t work the correct way. Your heart…
Sickle cell disease (SCD) is a genetic red blood cell disorder.
Any sexual activity involving a child is sexual abuse and has long-term effects. Learn how to recognize signs of abuse…
A silent heart attack is a heart attack without traditional symptoms. Nearly half of all heart attacks are silent heart…
A sinus infection is a condition where the lining of your sinuses becomes inflamed. It can be caused by bacteria…
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 with regular screening.
Skin rashes cause a noticeable texture or color change. Use our trusted symptom checker to find a possible diagnosis by…
Skin tags are non-cancerous skin growths that feel like a hanging mole. They are more common with age.
A good night’s sleep is even more important when you’re pregnant, but hard to come by. Follow these tips for…
Sleep apnea is a serious sleep disorder that can cause you to stop breathing multiple times while you sleep.
As you age, you may have changes in your sleep patterns. Hormones, lifestyle habits, and certain conditions and medicines can…
Learn about the causes of and ways to deal with sleepwalking.
Slipped capital femoral epiphysis is a hip problem that occurs in children when the end of the thigh bone slips…
Small vessel disease is a narrowing in the tiny arteries in your heart. It also is called coronary microvascular disease…
A case of smallpox hasn’t been seen since 1977, but it was once a serious virus. Symptoms included a rash,…
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