Here are some links that you might find beneficial.

BMI calculator

This website will allow you to calculate your Body Mass Index. This calculation can tell you whether you are underweight, of normal weight, overweight or obese. Knowing this can help you to make better health decisions.

My Pyramid

My pyramid is a great source of all kinds of information about health, nutrition, and physical activity. They have a wonderful tracker that allows individuals to track their eating patterns and activity patterns for free over a year to see how they are doing. This can be a very valuable learning tool for everyone!

Kids Health Website

Kids Health has a variety of great information (in spanish and in english) on a variety of topics for children from very young through the teen years.