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 ...

I often think about my own soon-to-be 10-year-old, and if she’s somehow missing any of the big skills she needs to thrive in secondary school —and later in life. When we were just coming out of the ...