Karlton Hill, 15, was diagnosed with diabetes when he was 12. He works hard to manage the disease: He jogs and does pushups every day; he takes metformin is very careful about what he eats.
Leslie Capo/LSU Health Sciences Center
Moms and their kids protest a proposed ban on homemade food at bake sales in New York City schools at a rally near City Hall in 2010. One sign read, "I wanna get obese on my terms. No junk food."
People stroll down a street in Montpelier, Vt., last summer. In 1995, 13.4 percent of Vermonters were considered obese. The figure climbed to 23.5 percent in 2011. The latest national data suggest the obesity epidemic has plateaued, however.
Nathaniel Donaker, 4, eats Kellogg's Frosted Flakes cereal at his home in Palo Alto, Calif. Frosted Flakes is 27 percent sugar, according to a report by the Environmental Working Group.
First Lady Michelle Obama, accompanied by Darden chef Julie Elkinton, talks to Charisse McElroy, right, and her daughter Jacqueline McElroy, 9, during an event at Olive Garden in Hyattsville, Md. on Thursday.
Manuel Balce Ceneta/AP