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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.
Stress fractures
Stress fractures are tiny cracks in bones often caused by overuse or osteoporosis. Learn how to prevent and treat them.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
Mayo Clinic Minute: Sleep Spoiler - Tips for a Good Night's Rest
Follow these tips for a good night's sleep.
MRI: Is gadolinium safe for people with kidney problems?
Older gadolinium contrast agents used with MRI posed a risk for people with severe kidney failure. Newer versions are much safer.
Cholesterol test kits: Are they accurate?
Home cholesterol test kits are often as accurate as the test a health care professional uses, but the quality of results can depend on how well you follow the directions for the test.
Tumor vs. cyst: What's the difference?
A Mayo Clinic expert explains the differences and similarities between these two types of growths and how doctors determine if they're cancerous.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
Latent autoimmune diabetes in adults (LADA): What is it?
Latent autoimmune diabetes in adults (LADA) is a slow-developing form of diabetes.
Eye dilation: Necessary with every eye exam?
Eye dilation is part of a comprehensive eye exam. How often you need it depends on your age and health risks.
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