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Obesity means having too much body fat. It is not the same as overweight, which means a child’s weight is in the upper range of children of the same age and height. Overweight may be due to extra muscle, bone, or water, as well as too much fat.
Both terms mean that a child’s weight is higher than what is thought to be healthy.
Weight - loss - children; Obese - children
When children eat more food than their bodies need for normal growth and activity, the extra calories are stored in fat cells for later use. If this pattern continues over time, they develop more fat cells and may develop obesity.
Normally, infants and young children respond to signals of hunger and fullness so that they do not consume more calories than their bodies need. However, changes over the last few decades in lifestyle and food choices have led to the rise of obesity among children.
Children are surrounded by many things that make it easy to overeat and harder to be active. Foods that are high in fat and sugar content often come in large portion sizes. These factors can lead children to take in more calories than they need before they feel full. TV commercials and other screen ads can lead to unhealthy food choices. Most of the time, the food in ads aimed at kids is high in sugar, salt, or fats.
"Screen time" activities such as watching television, gaming, texting, and playing on the computer require very little energy. They often take the place of healthy physical exercise. Also, children tend to crave unhealthy snack foods they see in TV ads.
Other factors in the child’s environment can also lead to obesity. Family, friends, and school setting help shape a child’s diet and exercise choices. Food may be used as a reward or to comfort a child. These learned habits can lead to overeating. Many people have a hard time breaking these habits later in life.
Genetics, medical conditions, and emotional disorders can also increase a child’s risk for obesity. Hormone disorders or low thyroid function, and certain medications, such as steroids or anti-seizure medications, can increase a child's appetite. Over time, this increases their risk for obesity.
An unhealthy focus on eating, weight and body image can lead to an eating disorder. Obesity and eating disorders often occur at the same time in teenage girls and young adult women who may be unhappy with their body image.
The health care provider will perform a physical exam and ask questions about your child's medical history, eating habits, and exercise routine.
Blood tests may be done to look for thyroid or endocrine problems. These conditions could lead to weight gain.
Child health experts recommend that children be screened for obesity at age 6. Your child's body mass index (BMI) is calculated using height and weight. A health care provider uses a BMI formula designed for growing children to estimate your child’s body fat.
SUPPORTING YOUR CHILD
The first step in helping your child get to a healthy weight is to talk to the child’s doctor. The doctor can help to set healthy goals for weight-loss and help with monitoring and support.
Try to get the whole family to join in healthy behavior change. Weight-loss plans for children focus on healthy lifestyle habits. A healthy lifestyle is good for everyone, even if weight loss is not the main goal.
Having support from friends and family can also help your child lose weight.
CHANGING YOUR CHILD'S LIFESTYLE
Eating a balanced diet means you child consumes the right types and amounts of foods and drinks to keep their body healthy.
Make sure children have a chance to engage in healthy physical activity every day.
WHAT ELSE TO THINK ABOUT
Talk to your health care provider before giving weight loss supplements or herbal remedies to your child. Many claims made by these products are not true. Some supplements can have serious side effects.
Weight loss drugs are not recommended for children.
Bariatric surgery is currently being performed for some children, but only after they've stopped growing.
A child who is overweight or obese is more likely to be overweight or obese as an adult. Obese children are now developing health problems that used to be seen only in adults. When these problems begin in childhood, they often become more severe when the child becomes an adult.
Children with obesity are at risk for developing these health problems:
Obese girls are more likely not to have regular menstrual periods.
Obese children often have low self-esteem. They are more likely to be teased or bullied, and they may have a hard time making friends.
United States Department of Agriculture. Dietary Guidelines for Americans, 2010. National Academy Press, Washington, DC, 2000.
U.S. Preventive Services Task Force. Screening for Obesity in Children and Adolescents: Recommendation Statement. AHRQ Publication No. 10-05144-EF-2, January 2010.
Gahagan S. Overweight and obesity. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 44.
Seagle HM, Strain GW, Makris A, Reeves RS; American Dietetic Association. Position of the American Dietetic Association: weight management. J Am Diet Assoc. 2009;109:330-346.
Pratt JS, Lenders CM, Dionne EA, Hoppin AG, Hsu GL, Inge TH, Lawlor DF, MarinoMF, Meyers AF, Rosenblum JL, Sanchez VM. Best practice updates for pediatric/adolescent weight loss surgery. Obesity (Silver Spring). 2009 May;17(5):901-10.