No one likes to be told that they are behind. No one likes to hear that they have lost something. And yet, today, we hear it all the time: that kids have lost learning, that they may never catch up, ...

Jacob (6) loves swimming and joins a swim team that he is really enjoying. Then he has a series of illnesses that keep him out of this activity for over a month, after which he starts refusing to go ...

Climbing in the playground is just one of many activities kids can do to improve muscle fitness. Fran Polito/Moment via Getty Images Physical fitness in kids refers to their ability to perform ...