The study comes from the Yale University Rudd Center for Food Policy and Obesity.
Researchers say instead of decreasing marketing to children, beverage companies have shifted from traditional media to new forms, including the Internet and smart phones.
The study, which analyzed 600 different drinks, claims many fruit drinks and energy drinks have as much added sugar and calories as full-calorie soda. Also, the report says, in the last two years, ads for full-calorie soda pop doubled.
The American Beverage Association disputes the study's findings.