There are very few diet “tricks” that actually work. Eating less food is by leaps and bounds the most effective method for weight loss, but it’s obviously one of the hardest, since not only do we enjoy food but we often crave it, which overrides our better sense. A new paper from the University of Cambridge suggests that cutting portions by using smaller plates (or if you’re a food maker, producing smaller packages) would address much of the issue in the very simplest way.