Nutrition basics
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Video: Endoscopy
An endoscopy allows your doctor to view your esophagus, stomach and part of the small intestine. Here's how it works.
Video: Colonoscopy
See what a doctor sees when you undergo an examination of your colon.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
Video: Alzheimer's drug shows early promise
A new drug that's being studied in clinical trials may help slow the progression of Alzheimer's disease.
Video: Allergy tests
What happens in an allergy test? Watch this video and find out.
Vascular dementia
Learn more about this stroke-related type of dementia that causes memory loss and reasoning problems. Prevention is possible, and good heart health is key.
Varicose veins
This common condition causes lines or cords to develop under the skin. Learn self-care steps to take and what treatments there are.
Urinary incontinence
Learn about possible causes of the loss of bladder control and what treatments are available for this problem.
Ureteral cancer
Find out how doctors use minimally invasive surgery to treat this rare cancer that forms in the tubes that connect your kidneys to your bladder.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
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