Add Yahoo as a preferred source to see more of our stories on Google. Jumping jacks, a staple of school gym classes, are not just for kids—they can also reveal much about your health. Even if you ...

My 5-year-old was complaining of stomach pain, and I was worried and had questions. I asked her how bad the pain was and where it hurt and whether it was getting worse. Being a kindergartner, she ...

Jumping jacks, a staple of school gym classes, are not just for kids-they can also reveal much about your health. Even if you haven't done the exercise recently, your ability to do them today can ...