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Nutrition.gov
U.S. Department of Agriculture
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National Center for Chronic Disease Prevention and Health Promotion

Child & Teen Healthy Weight and Obesity (link is external)
HHS, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion

This collection of resources provides parents and caregivers, health care providers, and partners with tools and information to help children and teens maintain a healthy weight and prevent obesity.

Healthy Weight (link is external)
HHS, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion

When it comes to weight loss, there's no lack of fad diets promising fast results. But such diets limit your nutritional intake, can be unhealthy, and tend to fail in the long run.

About Child & Teen Body Mass Index (BMI) (link is external)
HHS, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion

Explains how Body Mass Index (BMI) is used differently in children than in adults and provides information on calculating and interpreting BMI for children and teens.