Research has found that chewing ability is closely connected to healthy lifespan and brain stimulation. At the same time, data suggests there has been a decline in chewing strength across Japan, a trend that experts attribute to changes in the modern diet, among other factors. The result has been a greater prevalence of underdeveloped jaws in children, and increased frailty and health problems in older adults. We spoke with experts, who explained how consistent oral training and mindful eating can boost our focus and ensure a longer and healthier life. Guest: Teruyama Yuko (Dentist and Doctor of Dental Science)