PP13Nutrition and obesity.ppt

PP13Nutrition and obesity.ppt - BMI = weight in kilograms...

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Unformatted text preview: BMI = weight in kilograms height in meters2 Category Severely underweight Underweight Normal Overweight BMI range – kg/m2 less than 16.5 from 16.5 to 18.5 from 18.5 to 25 from 25 to 30 Obese Class I from 30 to 35 Obese Class II from 35 to 40 Obese Class III over 40 Childhood Overweight and Obesity Rates have been increasing in developed countries around the world Twenty five percent of children in the US are overweight and 11% are obese Overweight and obesity in childhood are known to have significant impact on both physical and psychological health. a a Centers for Disease Control and Prevention warns that over the past three decades: The obesity rate has more than doubled for o children ages 2 to 5 oadolescents ages 12 to 19 aAnd has more than tripled for children ages 6 to 11. Reasons for Global Increases in Childhood Obesity Environmental factors, lifestyle preferences, and culture are all important factors Increase in caloric and fat intake Excessive sugar intake by soft drink Increased portion size Steady decline in physical activity a a a a National Association of Anorexia Nervosa and Associated Disorders ( anad.org): More than 60 percent of elementary and middle school teachers say eating disorders are a problem in their schools a The average age for the onset of anorexia is now 9 to 12, down from 13 to 17. Anorexia A psychological disorder Distorted body image Severely restricted eating Importance of control Obsession with weight loss a a a a http://www.youtube.com/watch?v=8XVkPpDJfYE&feature=PlayList&p=AB3D86061 Risks a Malnutrition/starvation Serious health problems Osteoporosis Kidney damage Heart problems a Death Bulimia Also involves distorted body image and control Binge (usually secretive)-purge cycle (or binge-exercise) Normal weight or slight overweight Serious side effects of vomiting, diuretic use a a a ...
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This note was uploaded on 01/24/2011 for the course FMSC498A 498A taught by Professor Professorwallen during the Fall '09 term at Maryland.

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