In a new study published in Journal of Consumer Psychology scientists found that having a cheat day incorporated into your diet helped participants lose weight! Just in time for Christmas we have been given the greatest gift of all, the knowledge that if eaten correctly and within limits, junk food can help to make you lose weight in the long term. A study was carried out where scientists put study participants on a diet that was limited to only 10,516 calories a week – so around 1,500 calories