opine that fast-food portion sizes are partly to blame; the average size order of French fries has nearly tripled since 1955. Some people say advertising is to blame, particularly ads aimed at children, such as those 1 “Obesity,” World Heart Federation, May 2007, http://www.world-heart-federation.org. cat29974_case2_01-031.indd 22 that use celebrities to market high-calorie foods. According to USA Today, one study found that the average American child sees 10,000 food ads a year,…
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