The more active you are, the more calories you burn. Running or jogging, for instance, burns more calories than bowling.

This calculator is for children with asthma. If you know your child's height, you can find his or her predicted peak flow.

This tool is for children with asthma. To use this tool, you must have know your child's height.

BMI, or body mass index, uses weight and height to calculate weight status for adults. BMI for children and teens also takes into account gender and age because healthy body fatness differs between boys and girls and changes as they grow. This BMI calculator will help you determine if your child is at a healthy weight.

The body mass index is a measure of a person's body fat. In children and teens, the index is used to find out if a child is too thin, too heavy, or at risk of becoming too heavy.

Drinking can be an expensive habit. While you may not notice a dollar here or two dollars there, consider how much you spend per week and per year on alcohol.

Drinking can be an expensive habit. While you may not notice a dollar here or two dollars there, consider how much you spend per week and per year on alcohol.

There isn't much good that can be said about smoking. Now, on a positive note, do you know how much money you can save if you quit smoking today?

Nothing good can be said about smoking. It's bad for your health and the health of those around you. Do you know how much money you could save if you quit smoking today?

It is important to know your estimated due date in order to help plan for the baby's birth.

When you are trying to have a baby, fertile times are an important factor. Use this information about your cycles to help to predict your more fertile times and when you will ovulate.