Fitness basics
Learning Center
Mumps
Find out more about the symptoms and treatment of this viral illness and how vaccines can prevent it.
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Toe walking in children
Walking on toes or the balls of the feet is fairly common in children who are learning to walk. Most children outgrow it.
Oral health: A window to your overall health
Find out about the link between your oral health and overall health.
Mayo Clinic Minute: What are eye floaters?
Most eye floaters are harmless, but occasionally they could mean a serious problem.
Mayo Clinic Minute: What is an aneurysm?
An aneurysm is an abnormal bulge in a blood vessel wall that can lead to a life-threatening rupture.
Mayo Clinic Minute: How to hit your target heart rate
Learn how to exercise at your target heart rate.
What is aspirin-exacerbated respiratory disease (AERD)?
AERD, also called Samter's triad, has three features: asthma, recurring nasal polyps, and sensitivity to aspirin and drugs such as ibuprofen and naproxen.
COVID-19 and pets: Can dogs and cats get COVID-19?
Find out how COVID-19 can affect dogs and cats, what you can do to protect your pet, and how to care for your pet if it becomes sick.
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
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