题目内容
Since 2000, the number of college students dieting, vomiting, or taking laxatives to lose weight has jumped from about 28 to 38 percent, according to the American College Health Association’s annual surveys. Well - balanced caloric intake, with regular meals and physical activity - not dieting -is the best way to avoid obesity, says Kreipe, a professor at the University of Rochester Medical Center. That’s why, in his view, calorie information doesn’t benefit students. "Nutrition is not a simple thing that can be distilled (提炼) down into a label, "he says. "There’s a tendency for people to overinterpret what a specific number means. "
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The biggest problem with the U. S. health - care system is that it has long been designed to respond to illness rather than prevent it. According to an analysis by the Common wealth Fund, a foundation that funds health - care research, half of American adults in 2005 did not receive recommended preventive care, which includes vaccinations, cancer screenings and blood -pressure checks. When we do get our cardiac health checked, too often it’s because we’ve been rushed to the emergency room suffering from chest pains. When we do get a cancer evaluation, too often it’s a diagnosis of advanced disease that has spread beyond the initial tumor site. What will probably happen under the present US health -care system
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