Just tap your forehead for 30 seconds. That’s from the Weight Loss Program at St. Luke’s Hospital in New York City. It works because, when we get a craving, it gets lodged in the brain’s visual cortex. But by tapping on our forehead, we engage the same part of the brain, which dislodges the image and suppresses the craving. But for this tactic to work, you have to look up at your fingers as you’re tapping. So you get the physical sensation AND the visual image of the tapping.