Small cell, large cell cancer: What this means
Cancer cells are classified by how they look under a microscope. Learn common terms used…
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Health Tips
Small intestinal bacterial overgrowth (SIBO)
Small intestinal bacterial overgrowth (SIBO) can occur when excess bacteria builds up in the small…
読み続けてSmall lymphocytic lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
読み続けてSmall vessel disease
Also called coronary microvascular disease, this type of heart disease can be hard to detect.…
読み続けてSmokeless tobacco products
Learn the risks of using products such as chewing tobacco, snuff and snus.
読み続けてSnakebites: First aid
If a snake bites you, call 911 or your local emergency number right away, and…
読み続けてSocial anxiety disorder (social phobia)
Learn more on this disorder where everyday interactions cause significant worry and self-consciousness because you…
読み続けてSodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to…
読み続けてSoft tissue sarcoma
This rare type of cancer can begin in the muscles, fat, blood vessels, nerves, tendons…
読み続けてSolid foods: How to get your baby started
Follow these tips for starting your baby on solid foods.
読み続けてSolitary fibrous tumor
This rare type of tumor most often occurs near the lungs. Surgery is usually the…
読み続けてSolitary rectal ulcer syndrome
This rare condition is often linked to long-lasting constipation. Learn more about symptoms and treatment.
読み続けてSomatic symptom disorder
Learn about symptoms, causes and treatment of this condition, which is linked with major emotional…
読み続けてSouth Beach Diet
This eating plan features foods with complex carbohydrates, lean protein and healthy fats.
読み続けてSoy: Does it reduce cholesterol?
Soy alone doesn't lower cholesterol enough to make a big difference. But eating soy can…
読み続けてSoy: Does it worsen hypothyroidism?
For most people with hypothyroidism, it's okay to have some soy. But the timing makes…
読み続けてSpastic colon: What does it mean?
This term is sometimes used to refer to irritable bowel syndrome (IBS) — but how…
読み続けてSpasticity management for spinal cord injury
Muscle overactivity can be a side effect of spinal cord injury or illness. Treatment may…
読み続けてSpecific phobias
These are extreme fears of objects or situations that pose little or no danger. There…
読み続けてSPECT scan
SPECT scans use radioactive tracers and special cameras to create images of your internal organs.…
読み続けてSperm: How long do they live after ejaculation?
After ejaculation, sperm typically can live for several days.
読み続けてSperm morphology: What does it mean?
The size and shape of sperm can be one part of not being fertile.
読み続けてSpermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort.…
読み続けてSpider bites
Learn more about prevention, symptoms, complications and treatment of spider bites, which are usually harmless.
読み続けてSpina bifida
Learn about this condition in which an unborn baby's spine and spinal cord don't form…
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