Using a national survey of 2,314 U.S. public school students, David Just and Brian Wansink from Cornell University, compared lunch purchases in schools with debit-only systems to those with both debit and cash payment options. Debit-only payment systems were associated with students buying more unhealthy à la carte foods. While students in debit and cash schools actually bought more fresh fruit and vegetables.
So after cutting recess for students (so they can have more instructional class time) and implementing debit card/payment systems (so they can get through the lunch line faster) we wonder why American students keep getting fatter and fatter?
On a sarcastically positive note, far fewer kids will get bullied in school — at least during recess for their lunch money.