HFN1O Mr. MacMillan. * Overweight: increased body weight in relation to height * Body mass index (BMI): a formula for weight assessment based on a weight-to-height.

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Presentation transcript:

HFN1O Mr. MacMillan

* Overweight: increased body weight in relation to height * Body mass index (BMI): a formula for weight assessment based on a weight-to-height relationship * Obesity * Mild: 20 to 40 percent over ideal weight * Moderate: 41 to 99 percent over ideal weight * Severe, morbid, or gross: 100 percent or more

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* Body mass index (BMI) * Weight (kg) / height squared (m 2 ) * Healthy weight is a BMI of 19 to 25. * Overweight is a BMI of 25 or more. * Obese is a BMI of 30 or more. * What is your BMI? * What would be problematic about this number?

Copyright © 2010 Pearson Education, Inc.

* Waist circumference should be less than: * Men: 40 inches * Women: 35 inches * Waist-to-hip ratio should be less than: * Men: 1.0 * Women: 0.8

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* Heredity * Body type and genes * Twin studies * Observe twins separated at birth and raised in different environments * Specific obesity genes * Ob gene

* List environmental factors that can directly or indirectly contribute to obesity. * 1 to 2 minutes * We will compile a list.

* Keep weight control in perspective. * Understand calories. * Include exercise. * Improve eating habits. * Select a nutritional plan.

Copyright © 2010 Pearson Education, Inc.

Obesity Trends* Among Canadian Adults HPS, 1985 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults HPS, 1990 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults NPHS, 1994 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults NPHS, 1998 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults CCHS, 2000 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults CCHS, 2002 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Obesity Trends* Among Canadian Adults CCHS, 2004 (*BMI  30, or ~ 30 lbs overweight for 5’4” woman) Katzmarzyk PT. Can Med Assoc J 2002;166: ; Statistics Canada 2002/04 No Data <10% 10%-14% 15-19% 20-25% 25+%

Overweight Obese

CPHI. Promoting Health Weights

24 in Motion Ban on Junk Food in Schools Nutrition North Canada Building on Existing Strengths Baby Friendly Initiative

Copyright © 2010 Pearson Education, Inc.

* Research a fad diet and provide details to the class. * What is the diet composed of? * Who created it? Where was it found? * List any interesting information about the diet