A mock-up of a warning label for sodas and sugary drinks proposed in California by public health advocates. California Center for Public Health Advocacy hide caption

itoggle caption California Center for Public Health Advocacy

Even seemingly healthful foods can contain unexpected spoonfuls of sugar. Meg Vogel/NPR hide caption

itoggle caption Meg Vogel/NPR

Tractors sit on a sugarcane plantation on the land of a Guarani-kaiowá indigenous community in Brazil. Tatiana Cardeal/Courtesy Oxfam hide caption

itoggle caption Tatiana Cardeal/Courtesy Oxfam

A performer drinks a soda in Ahmedabad, India in 2010. A study found that rising diabetes prevalence in countries like India is strongly tied to sugar consumption. Sam Panthaky/AFP/Getty Images hide caption

itoggle caption Sam Panthaky/AFP/Getty Images

Adults who upped their intake of sugary foods or drank sugar-sweetened drinks gained about a pound a year, a study found. Umberto Salvagnin/Flickr hide caption

itoggle caption Umberto Salvagnin/Flickr

If you look very closely, you'll see "evaporated cane juice" in the ingredients list on this yogurt. A California woman is suing the Chobani yogurt company over its use of the term. Karen Castillo Farfán/NPR hide caption

itoggle caption Karen Castillo Farfán/NPR

A tax proposal on the table in Massachusetts could discourage sugar consumption a bit by making sugary foods more expensive. Umberto Salvagnin/Flickr hide caption

itoggle caption Umberto Salvagnin/Flickr

The S&W Seed Co., in Five Points, Calif., will grow these seedlings of zero-calorie stevia in the fields of California's Central Valley. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR