It is estimated that rougly 51 percent of the adult in the United States and Canada are either overweight or obese. Worldwide, an estimated 22 million children under the age of five are belived to be overweight.
What is causing the epidemic of obesity? One obvious contributing factor is the sedentary lifestyle that many people in the 21st century are leading. Getting around by car and working at a desk don’t demand physical activity.” Physical activity used to be what people had to do to survive,” says Dr.David Katz, associate clinical professor of public health at Yale University” Now we speak of it as something we have to work into our day.”