健康观点牙好和一头黑发90岁的胡亚美拥有一头黑发,这来源于她“洗头还是偷点懒好”的理论。她说,头皮的分泌物是头发最好的保护剂,一个星期洗一次头发就够了。另外,她还说:“平时吃完东西要及时漱漱口,别让食物残渣留在齿缝里,这样才能保持牙齿健康。”陈君石中国工程院院士、毒理学家◎健康观点从来不贪吃 Health point of view good teeth and a dark hair Hu Yamei 90-year-old has a dark hair, which comes from her “shampoo or steal lazy good” theory. She says the scalp secretions are the best hair protectant and it’s enough to wash hair once a week. In addition, she said: “Usually eat something to gargle in time, do not let the food residue in the teeth, so as to maintain tooth health.” "Chen Junshi Chinese Academy of Engineering, toxicologist ◎ health point of view is never greedy eat