日本医学家在研究咀嚼运动时,发现咀嚼运动可以调节大脑的血流量。当人咀嚼硬物或咀嚼速度加快时,大脑的血流量明显增多。无牙老人中患脑痴呆的病人很多,而牙齿完好的老人仅有记忆力的减退,没有脑痴呆症状。这表明牙齿好坏与老年痴呆症的发生有密切关系。咀嚼运动影响大脑供血可以解释许多临床现象。如常吃甜食、软食的孩子容易患近视 Japanese medical scientists studying chewing exercise, found that chewing exercise can regulate brain blood flow. When people chew hard objects or chew faster, the brain’s blood flow increased significantly. Edentulous elderly suffering from dementia in many patients, while the elderly with intact teeth only memory loss, no symptoms of brain dementia. This shows that tooth quality is closely related to the occurrence of Alzheimer’s disease. Chewing exercise affects the brain’s blood supply can explain many clinical phenomena. If you eat sweets, soft-food children susceptible to myopia