from latimes.com: Most students are exposed in school to efforts by food and beverage companies to sell food or gain brand loyalty, despite a decline in some kinds of commercial enterprises, including in soda machine contracts, researchers reported Monday. High school students get the most exposure, and for almost 64% of elementary school students, the most common type of commercialism is food coupons distributed as incentives, the researchers wrote in the Journal of the American Medical Assn. Pediatrics.