Toddler health
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Mayo Clinic Minute: The road to hearing for baby Aida
Learn about a child with deafness treated at Mayo Clinic with cochlear implants.
Video: Colonoscopy
See what a doctor sees when you undergo an examination of your colon.
Mayo Clinic Minute: New definition of Alzheimer's changes
Researchers are changing the way they define Alzheimer's disease and opening the door for better research — and hopefully, better treatments.
Mayo Clinic Minute: What you need to know about polyps in your colon
Got polyps? Find out why detecting, and removing, colon polyps is so important.
Video: Allergy tests
What happens in an allergy test? Watch this video and find out.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
Video: Skin cancer — How skin cancer develops
Watch this video to see what melanoma and nonmelanoma skin cancers look like and how they develop.
Mayo Clinic Minute: Patch testing for contact dermatitis
Patch testing is used to identify the cause of an allergic skin reaction.
Mayo Clinic Minute: Patch testing for contact dermatitis
Patch testing is used to identify the cause of an allergic skin reaction.
Mayo Clinic Minute: Patch testing for contact dermatitis
Patch testing is used to identify the cause of an allergic skin reaction.
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