The document discusses the impact of U.S. marketing and advertising on childhood obesity. It notes that 1 in 3 children are overweight or obese, and the medical costs associated with treating childhood obesity are high. The Federal Trade Commission and other government agencies have proposed guidelines to limit food marketing to children. However, many restaurant chains still market unhealthy meals to kids. The document also discusses Subway's marketing strategies to children and their corporate social responsibility programs promoting healthy eating and physical activity.