Individuals under 20 are naturally more flexible, have higher metabolic rates and more energy than those older. But they, too, need to exercise (in appropriate ways) to avoid injury and build strength and endurance, avoid obesity and stay fit.

Particularly today, when there are so many electronic alternatives, young people may exercise less than they should. It's during the formative years that individuals lay the groundwork for what later become healthy or poor habits.

Now is the perfect time to teach your children the value of physical activity, to help them grow healthy and prepare them for the years to coma/

Children should be encouraged to enjoy regular physical activity, at least one hour every day. All types of physical activity will help to maintain a healthy body weight, promote well being and encourage activity in latter life.

Children should engage in certain types of aerobic exercise - dancing, walking or tennis - at least twice a week, to help build strong bones.

Tools to Help Parents Monitor Children’s Internet Activity

Technology can be a wonderful tool but it can also be risky for young children. When you’re concerned about your children’s use of the Internet, you want to see what websites they’ve visited and how they’re using the computer. Here are some free things you can do to monitor your children’s Internet activity:

The normal window for starting puberty is five years wide, so being at either end of it means nothing; the sequence of changes is far more predictable than the timing, and the thresholds that warrant a GP sit outside the normal range.