Obesity Epidemic
Overweight vs. Obese Determined by your body mass index (BMI): – Overweight if 25 ≤ BMI ≤ 29.9 – Obese if BMI ≥ 30
Accuracy of BMI Shaquille O’Neal Tom Brady BMI Calculator
The Worldwide Obesity Epidemic More than 1 billion adults are overweight. – 300 million are clinically obese. 22 million children (less than 5 years) are overweight.
The Worldwide Obesity Epidemic
The Rise in Canadian Obesity
Obesity in Canada (2004) Population size: 31,900,00 – 6.8 million adults (ages 20 – 64) overweight. – 4.5 million adults (ages 20 – 64) obese.
Obesity in Canadian Children
Obesity in Canadian Adults
What is Causing the Obesity Epidemic???
Causes of Obesity Industrial & agricultural revolution. Technological advances. – In 1971, 80% of children walked to school. – In 1999, only 41% of children walked to school Increased trade between countries. Reduction of compulsory phys-ed classes. Career – travel time & stress. Era of fast food. Weight Problems in Québec: Getting Mobilized, Groupe de travail provincial sur la problématique du poids, October 2004.
Health Risks Associated With Being Overweight or Obese
Some Health Risks High blood pressure Heart disease Type 2 diabetes Stroke Gallbladder disease Sleep apnea & other breathing problems Colon cancer
Economic Implications Based on 2006 Canadian study: – $6.0 billion (direct & indirect costs). Anis et al, 2009, Obesity and Overweight in Canada: An updated cost of illness study, Obesity Reviews
Battling the Obesity Epidemic