Understanding Youth and Adolescent Overweight and Obesity: Resources for Families and Communities
Over the past three decades, the number of young people who are obese has nearly tripled (National Center for Health Statistics, 2006). Currently, approximately 17.4% of adolescents (ages 12-19) and 18.8% of children (ages 6-11) are considered overweight (National Center for Health Statistics, 2006). In 2004, the U.S. Institute of Medicine called the prevention of childhood obesity a national priority.
The consequences of childhood overweight and obesity are serious. Being overweight or obese increases the risk for heart problems, high blood pressure, and other medical problems (e.g., Sothern et al., 2000), and the psychological impact of being overweight can be devastating. Obesity during childhood and adolescence has been associated with higher rates of sickness and death in adulthood, even when adult weight is considered (Must, Jaques, Dallal, Bajema, & Dietz, 1992). This means that overweight kids may be putting themselves at serious risk of lifelong health problems--even more so than adults who become obese. Furthermore, childhood overweight and obesity, if not treated, can lead to overweight and obesity in adulthood (Freedman, Khan, Dietz, Srinivasan, & Berenson, 2001). Adult overweight and obesity are difficult to treat successfully over the long term (Jeffery et al., 2000), and are associated with life-threatening health problems, such as heart problems, stroke, diabetes, and high blood pressure.
Why is Obesity Increasing?
It is rare for overweight and obesity to be caused by hormonal or genetic defects (Moran, 1999). So what is causing this increase in overweight and obesity? Although the most common reason for being overweight is clear (people eat more calories in food than they burn in exercise), the reasons for the dramatic, nationwide increase in overweight and obesity in children and adolescents are unclear (Troiano & Flegal, 1998). One theory is that as our society has become more successful, convenience foods that are high in fat and calories, such as candy, chips, and sugary drinks, are produced and consumed more frequently (Goran & Treuth, 2001). Another is that our children are leading more inactive lifestyles than in the past. Rather than playing outside, children watch television, play video games, and sit at the computer (Robinson & Killen, 2001). Although our technology may be advancing, our children are sitting more and exercising less.
Reprinted with the permission of the University of Florida. © 2008 University of Florida.
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