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Spinal Cord Injury
Common causes of spinal cord injury include falling, sports-related events, car accidents, and diseases such as polio or spina…
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Squamous Cell Carcinoma
Squamous cell carcinoma is a common form of skin cancer caused by too much exposure to ultraviolet (UV) radiation.
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Stomach Cancer
Stomach cancer is the growth of cancer cells in the lining and wall of the stomach. It’s also called gastric…
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Stomach Flu (Gastroenteritis)
Gastroenteritis is a medical term for a stomach virus. Many people call it the stomach flu. It can strike anyone…
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Strabismus
Strabismus is an eye disorder. It affects the muscle control in your eyes. The eyes don’t line up properly. Instead,…
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Strep Throat
Strep throat is an infection caused by bacteria. It is called “strep” because the bacteria that causes the infection is…
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Stroke
A stroke is a medical condition that occurs when the blood flow to your brain stops.
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Stuttering
Stuttering is a condition that affects a person’s ability to speak smoothly. It can cause them to repeat words, parts…
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Sty
A sty is a painful, red bump that forms on the edge of your eyelid. It may look like an…
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Substance Abuse
Substance abuse can happen when products aren’t used in the right way. Prescription medicines, illegal drugs, tobacco, and alcohol can…
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Sudden Infant Death Syndrome (SIDS)
Sudden infant death syndrome is the unexplained reason a baby under 1 year old dies while sleeping. There are no…
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Syphilis
Syphilis is a serious infection passed from one person to another through sexual contact. It is caused by a bacteria…
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Teeth Grinding (Bruxism)
Teeth grinding is also known as bruxism. About 20% or 30% of children clench their teeth but usually stop as…
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Tennis Elbow
Tennis elbow (lateral epicondylitis) is a common condition that occurs when the outer tendons of the elbow swell or…
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Testicular Cancer
Testicular cancer is the most common type of cancer in young and middle-aged white men, but it can be treated…
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Testicular Torsion
Testicular torsion happens when a man’s testicles rotate and the spermatic cord becomes twisted. This can happen at any…
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Thalassemia
Thalassemia is a group of inherited blood disorders that prevent your body from producing the amount of hemoglobin it…
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Thrush
Thrush is a yeast infection that occurs on your tongue and the lining of your mouth.
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Thyroid Nodules
A thyroid nodule is a lump in the thyroid gland in your neck. More than 90% of them are not…
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Thyroiditis
Learn about the types, symptoms, causes, diagnosis and treatment of thyroiditis, a name for several disorders that cause inflammation of…