Our cities are saturated with fast-food purveyors. ... With the concentration of fast food even worse in school neighborhoods, our schools, parents, and policymakers need to take a serious look at this issue.

This means that five days a week, we are sending our school children into environments where there is an abundance of high-calorie, low-nutritional-quality, inexpensive food.

It can be very hard for children and teens to eat in healthy ways when they're inundated with this.