Why is childhood obesity considered a health problem?
Doctors and scientists are concerned about the rise of obesity in children and youth because obesity may lead to the following health problems:
- Heart disease, caused by:
- high cholesterol and/or
- high blood pressure
- Type 2 diabetes
- Asthma
- Sleep apnea
- Social discrimination
Childhood obesity is associated with various health-related consequences. Obese children and adolescents may experience immediate health consequences and may be at risk for weight-related health problems in adulthood.
Psychosocial Risks
Some consequences of childhood and adolescent overweight are psychosocial. Obese children and adolescents are targets of early and systematic social discrimination.2 The psychological stress of social stigmatization can cause low self-esteem which, in turn, can hinder academic and social functioning, and persist into adulthood.3
Cardiovascular Disease Risks
Obese children and teens have been found to have risk factors for cardiovascular disease (CVD), including high cholesterol levels, high blood pressure, and abnormal glucose tolerance. In a population-based sample of 5- to 17-year-olds, almost 60% of overweight children had at least one CVD risk factor while 25 percent of overweight children had two or more CVD risk factors.2
Additional Health Risks
Less common health conditions associated with increased weight include asthma, hepatic steatosis, sleep apnea and Type 2 diabetes.
- Asthma is a disease of the lungs in which the airways become blocked or narrowed causing breathing difficulty. Studies have identified an association between childhood overweight and asthma.4, 5
- Hepatic steatosis is the fatty degeneration of the liver caused by a high concentration of liver enzymes. Weight reduction causes liver enzymes to normalize.2
- Sleep apnea is a less common complication of overweight for children and adolescents. Sleep apnea is a sleep-associated breathing disorder defined as the cessation of breathing during sleep that lasts for at least 10 seconds. Sleep apnea is characterized by loud snoring and labored breathing. During sleep apnea, oxygen levels in the blood can fall dramatically. One study estimated that sleep apnea occurs in about 7% of overweight children.6
- Type 2 diabetes is increasingly being reported among children and adolescents who are overweight.7 While diabetes and glucose intolerance, a precursor of diabetes, are common health effects of adult obesity, only in recent years has Type 2 diabetes begun to emerge as a health-related problem among children and adolescents. Onset of diabetes in children and adolescents can result in advanced complications such as CVD and kidney failure.8
In addition, studies have shown that obese children and teens are more likely to become obese as adults.9, 10
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What can I do as a parent or guardian to help prevent childhood overweight and obesity?
To help your child maintain a healthy weight, balance the calories your child consumes from foods and beverages with the calories your child uses through physical activity and normal growth.
Remember that the goal for overweight and obese children and teens is to reduce the rate of weight gain while allowing normal growth and development. Children and teens should NOT be placed on a weight reduction diet without the consultation of a health care provider.
Balancing Calories: Help Kids Develop Healthy Eating Habits
One part of balancing calories is to eat foods that provide adequate nutrition and an appropriate number of calories. You can help children learn to be aware of what they eat by developing healthy eating habits, looking for ways to make favorite dishes healthier, and reducing calorie-rich temptations.
Encourage healthy eating habits.
- Provide plenty of vegetables, fruits, and whole-grain products.
- Include low-fat or non-fat milk or dairy products.
- Choose lean meats, poultry, fish, lentils, and beans for protein.
- Serve reasonably-sized portions.
- Encourage your family to drink lots of water.
- Limit sugar-sweetened beverages.
- Limit consumption of sugar and saturated fat.
Remember that small changes every day can lead to a recipe for success!
For more information about nutrition, visit ChooseMyPlate.gov and the Dietary Guidelines for Americans 2010.
Look for ways to make favorite dishes healthier.
The recipes that you may prepare regularly, and that your family enjoys, with just a few changes can be healthier and just as satisfying.
Although everything can be enjoyed in moderation, reducing the calorie-rich temptations of high-fat and high-sugar, or salty snacks can also help your children develop healthy eating habits. Instead only allow your children to eat them sometimes, so that they truly will be treats! Here are examples of easy-to-prepare, low-fat and low-sugar treats that are 100 calories or less:
- A medium-size apple
- A medium-size banana
- 1 cup blueberries
- 1 cup grapes
- 1 cup carrots, broccoli, or bell peppers with 2 tbsp. hummus
Balancing Calories: Help Kids Stay Active
Another part of balancing calories is to engage in an appropriate amount of physical activity and avoid too much sedentary time. In addition to being fun for children and teens, regular physical activity has many health benefits, including:
- Strengthening bones
- Decreasing blood pressure
- Reducing stress and anxiety
- Increasing self-esteem
- Helping with weight management
Help kids stay active.
Children and teens should participate in at least 60 minutes of moderate intensity physical activity most days of the week, preferably daily.11 Remember that children imitate adults. Start adding physical activity to your own daily routine and encourage your child to join you.
Some examples of moderate intensity physical activity include:
- Brisk walking
- Playing tag
- Jumping rope
- Playing soccer
- Swimming
- Dancing
In addition to encouraging physical activity, help children avoid too much sedentary time. Although quiet time for reading and homework is fine, limit the time your children watch television, play video games, or surf the web to no more than 2 hours per day. Additionally, the American Academy of Pediatrics (AAP) does not recommend television viewing for children age 2 or younger.12 Instead, encourage your children to find fun activities to do with family members or on their own that simply involve more activity. See the Screen Time Vs Lean Time - info graphic
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Want to learn more?
Here are some additional resources that you (and your child) can use to help reach or keep a healthy weight through physical activity and healthy food choices!
For Parents and Guardians
Child and Teen BMI (Body Mass Index) Calculator
Worried about your child's weight? For children, BMI is used to screen for overweight, but is not a diagnostic tool. For more, see About BMI for Children and Teens.
Childhood Overweight
This Web site provides information about childhood overweight, including how overweight is defined for children, the prevalence of overweight, the factors associated with overweight, and the related health consequences.
Physical Activity for Everyone
Provides information about physical activity for you and your children.
How to Avoid Portion Size Pitfalls
Confused about portion sizes? Play the CDC's portion control game!
ChooseMyPlate.gov
Provides a tailored explanation of how to balance your meals and includes an interactive game for kids.
We Can!
This national education program is designed for parents and caregivers to help children 8-13 years old stay at a healthy weight.
For Kids ONLY
BAM! Body and Mind
Have fun, stay active and healthy.
Blast Off Game
Learn what it takes to blast off in the food pyramid space shuttle!
Best Bones Forever!
A bone health campaign for girls and their BFFs to "grow strong together and stay strong forever!"
References
1 Ogden CL, Carroll MD, Curtin LR, McDowell MA, Tabak CJ, Flegal KM. Prevalence of overweight and obesity in the United States, 1999-2004. JAMA 2006;295(13):15491555.
2 Dietz W. Health consequences of obesity in youth: Childhood predictors of adult disease. Pediatrics 1998;101:518525.
3 Swartz MB and Puhl R. Childhood obesity: a societal problem to solve. Obesity Reviews 2003; 4(1):5771.
4 Rodriguez MA, Winkleby MA, Ahn D, Sundquist J, Kraemer HC. Identification of populations subgroups of children and adolescents with high asthma prevalence: findings from the Third National Health and Nutrition Examination Survey. Arch Pediatr Adolesc Med 2002;156:269275.
5 Luder E, Melnik TA, Dimaio M. Association of being overweight with greater asthma symptoms in inner city black and Hispanic children. J Pediatr 1998;132:699703.
6 Mallory GB, Fiser DH, Jackson R. Sleep-associated breathing disorders in morbidly obese children and adolescents. J Pediatr 1989;115:892897.
7 Fagot-Campagna A, Narayan KMV, Imperatore G. Type 2 diabetes in children: exemplifies the growing problem of chronic diseases [Editorial]. BMJ 2001;322:377378.
8 Must A, Anderson SE. Effects of obesity on morbidity in children and adolescents. Nutr Clin Care 2003;6:1;411.
9 Whitaker RC, Wright JA, Pepe MS, Seidel KD, Dietz WH. Predicting obesity in young adulthood from childhood and parental obesity. N Engl J Med 1997; 37(13):869873.
10 Serdula MK, Ivery D, Coates RJ, Freedman DS. Williamson DF. Byers T. Do obese children become obese adults? A review of the literature. Prev Med 1993;22:167177.
11http://www.aap.org/family/tv1.htm, accessed 12/18/06.
12 This physical activity recommendation is from the Dietary Guidelines for Americans 2010
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