Although the US Department of Agriculture estimates that fewer than 5 percent of Americans live in the “ food deserts”, about 65 percent of the nation's population is overweight or obese. For most of us, obesity is not related to access to more fresh fruits and vegetables, but to the choices we make in supermarkets.

　　The problem is not that we eat too much, but that we don't exercise.

　　Michelle Obama's “Let's Move” campaign is based on the idea that if kids exercise more, childhood obesity rates will decrease. But there was no significant decrease in physical activity levels as obesity rates climbed in the 1980s and 1990s. In fact, although a drop in work-related physical activity may account for up to 100 fewer calories burned, leisure physical activity appears to have increased. The problem is that we eat too much.

　　The author mentioned Deborah Cohen's book in Paragraph 1 to

　　.

　　Introduce the topic

　　Draw readers' attention

　　Introduce the author of the book

　　Advertise the book

　　What is the relationship between obesity and the place where you eat?

　　The less you eat out, the higher rates of obesity you have

　　The less you eat at home, the lower rates of obesity you have.

　　The more you eat out, the higher rates of obesity you have.

　　The more you eat at home, the higher rates of obesity you have.

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