英国牛津大学的埃德蒙·罗尔斯教授指出，当人们咀嚼某些食物达5分钟后，其食欲就会大大下降，这样可减少食物的摄入量，从而达到减肥的目的。罗尔斯解释说，这一现象与大脑中负责食欲的部位有关，但他同时也指出，咀嚼食物的时间必须长一些才能达到食欲抑制的目的，因为短时间 Professor Edmund Rawls of Oxford University in the United Kingdom pointed out that when people chewing certain foods for 5 minutes, their appetite will be greatly reduced, which can reduce the intake of food, so as to achieve the purpose of weight loss. Rawls explained that this phenomenon is related to the part of the brain responsible for appetite, but he also pointed out that the time to chew food must be longer to achieve the purpose of suppressing appetite, because short time