結石:常見病的直接導火索

        Protection: Drinking frequently can help protect against salivary stones.

　　保護措施：常喝水能幫助防止唾液腺結石。

　　Small to medium-size stones can be dissolved with drugs. Large stones need to be removed because they can cause infections and blockages of your digestive tract, explains Dr Emmanuel.

　　醫(yī)生艾曼紐解釋說：小到中型結石可以用藥物溶解；大結石必須清除，因為它們可能導致你的消化道阻塞和感染。