Fitness basics
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13 Results
Mayo Clinic Minute: How to hit your target heart rate
Learn how to exercise at your target heart rate.
Video
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.
Disease
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.
Disease
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