人到老年,咀嚼力减退,唾液分泌减少,吃干硬食品自然有些费力。然而正因为如此,才有必要吃些干果。中医一向推崇“齿宜数叩,津宜数咽”。嚼硬果如同叩齿一样,能增强牙齿的弹力;常咽硬果又能促进唾液分泌。这不仅能推迟牙齿的衰老,还有益于全身保健. People to old age, decreased chewing power, reduced salivation, eating dry and hard food naturally a little laborious. However, because of this, it is necessary to eat dried fruit. Chinese medicine has always respected “teeth appropriate knock, Tianjin to the number of pharynx.” Chewing nuts, like knocking teeth, can enhance the elasticity of the teeth; regular pharynx can promote saliva secretion. This can not only delay the aging of teeth, but also benefit body care.