咀嚼是人体摄取营养的第一步,消化食物离不开咀嚼。不仅如此,现代医学研究证明,咀嚼还有健脑、养胃、坚齿三大生理保健作用。 健脑 咀嚼时,在嚼肌的带动下,面部、颌部和颈以上肌肉都参与运动。这种颈以上肌肉群的协调运动,使大脑处于一种惬意的兴奋状态,同时调节大脑的血液供应。当咀嚼硬物或咀嚼速度加快时,颈部肌肉群会张 Chewing is the first step in human nutrition, digestion of food inseparable from chewing. Not only that, modern medical research shows that chewing there Jiannao, Yangwei, Jian teeth three physiological health effects. When the brain is chewing, the muscles on the face, jaw and neck are all involved in the exercise. This coordinated movement of muscle groups above the neck places the brain in a pleasant state of excitement while regulating the blood supply to the brain. When you chew hard objects or chew faster, the neck muscles will Zhang