How has physical activity played a role in weight trends in the U.S. recently?
a. Physical activity has increased dramatically over the past several years because of concerns with overweight.
b. Outdoor work and play are the main contributors to leisure time activity in this country.
c. Sedentary activities have replaced outdoor play for many people
d. Passive exercise with machines has helped people to lose weight without physical exertion.
e. Obesity prevalence has risen because peopleeat too much after intense physical activity.
c
Nutritional Science
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