Fitness basics
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Oppositional defiant disorder (ODD)
This childhood mental health condition includes frequent and persistent anger, irritability, arguing, defiance or vindictiveness toward authority.
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Sudden death in young people: Heart problems often blamed
Sudden cardiac death in young people is rare. It's not the same as sudden cardiac arrest. Learn about the risk factors and causes and when screening is needed.
Cast care: Do's and don'ts
Find out more about tips for keeping a cast safe — and your child comfortable — while an injury heals.
Mayo Clinic Minute: How to treat poison ivy rash
Learn tips to ease the intense itching of poison ivy rash, including calamine lotion, oatmeal baths and cool compresses.
Mayo Clinic Minute: Hearing aids not 'one-size-fits-all'
Learn about hearing aid options and find out how to choose a hearing aid that fits your needs.
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare disorder that causes tumors and overproduction of hormones.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
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