Our sense of smell is strongly connected to our ability to taste therefore experiencing food related cues such as smelling a bacon aroma, can lead us to imagine the act of eating that food. Imagine eating enough bacon and you might find yourself sated.
— Experimental psychologist Charles Spence of the University of Oxford, talking about the bacon patch he developed. Read more in Patch Infused With Smell of Bacon Developed ‘to Help Vegans and Vegetarians With Meat Cravings’ at Independent.