Add Yahoo as a preferred source to see more of our stories on Google. An age-appropriate strength training program can have significant benefits for children and adolescents. The Good ...

WHEN Gabrielle Lyon, DO, was 5 years old, her father would take her on 10-mile bike rides. Physical activity wasn't a question, she says—it was part of her day-to-day life from a very young age. As a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WHEN Gabrielle Lyon, DO, was 5 years old, her father would take her on 10-mile bike rides. Physical ...

Zachary Gillen does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...