Strength training
Learning Center
Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the signs and symptoms and when treatment might be needed.
Video: Allergy tests
What happens in an allergy test? Watch this video and find out.
Video: Colonoscopy
See what a doctor sees when you undergo an examination of your colon.
Video: Sentinel node biopsy for melanoma
Video shows sentinel node biopsy to determine whether melanoma has spread.
Video: Skin cancer — How skin cancer develops
Watch this video to see what melanoma and nonmelanoma skin cancers look like and how they develop.
Video: Endoscopy
An endoscopy allows your doctor to view your esophagus, stomach and part of the small intestine. Here's how it works.
Age spots (liver spots)
Learn more about the harmless dark spots on your skin that tend to appear as you age, especially in areas exposed to the sun. Treatment is available.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
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.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 29 to 40 middle
- 80 and over
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 11 to 12 years preteen
- 00 birth to 01 month newborn
- 19 to 28 young adult
Focus
- All
- Test
- Home Treatment