K-12 schools should ban junk food sales.

Many elementary school, middle school and high school all have vending machines, soda machines that are filled with chips, pretzels, chocolate and caffeine filled drinks. Also the food they sell during lunches are also very unhealthy. All of this is really bad for the students and even the teachers. I believe we should start getting rid of these vending machines, they are not helping out the student with learning better. It will be more beneficial effect on the student if we can get rid of all o...