A Police officer visits Laura's preschool class to discuss safety rules. To attract the children's attention, the officer brings balloons. Later, Laura tells her parents about the police officer and the balloons but can't remember any of the discussed safety rules. Laura

What effect has mass media had on obesity in the united states a. television commercials and programs have promoted increased acceptance of obesity b. public service announcements have halted the increase in obesity c. educational documentaries have caused obesity in the united states to fall d. advertisments for unhealthy foods have encouraged obesity