最近日美两国的研究证明，茶叶具有抑制肺癌、胃癌和膀胱癌及预防脂肪肝等病的功效。日本成年男性的吸烟率高达95％，而美国是30％，但肺癌的发病率和死亡率日本却低于美国。原因何在呢？有关专家认为，这与日本人嗜茶有密切的关系。美国一家研究机构用老鼠进行绿茶抑制癌变效 Recent studies between Japan and the United States have proved that tea has the efficacy of inhibiting lung cancer, gastric cancer and bladder cancer and preventing fatty liver disease. In Japan, men smoke up to 95%, compared with 30% in the United States, but the incidence and mortality of lung cancer in Japan is lower than in the United States. What is the reason? Experts believe that this is closely linked with the Japanese tea addicts. A research institute in the United States used mice to inhibit cancer effects of green tea