心理学研究表明 ,吃零食的目的并不在于仅仅满足肚子的饥饿需要 ,而在于对紧张情绪的缓解和内心冲突的消除。当食物与嘴部皮肤接触时 ,一方面它能够通过皮肤神经将感觉信息传递到大脑中枢而产生一种慰藉 ,使人通过与外界物体的接触而消除内心的孤独 ;另一方面 ,当嘴部接触食物 Psychological studies show that the purpose of eating snacks is not just to meet the hunger needs of the stomach, but rather to ease the tension and the elimination of inner conflict. When the food comes in contact with the skin of the mouth, on the one hand it can generate sensation through the sensory information of the skin nerves to the central nervous system, which can eliminate inner loneliness through the contact with external objects; on the other hand, when the mouth Contact with food