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Section C 11.About how many adult Americans have the “weight problem”? ________________________ percent. 12. In many peoples opinion, what is the cause of getting fat? Eating _____________________. 13. Why were the Americans in 1910 thinner than today? Because they worked ______________________physically. 14. What was the result of a recent study? Thinner people are more ___________________ than fatter people . 15. According to the passage, what happens to those who exercise regularly? They can eat more, and still lose a large amount of ________________________ .