American Miami university teachs Mo Du, undertake making an on-the-spot investigation on the spot discovering to the person that often drinks tea in great quantities, certain and long-term the occurence rate of crowd cancer of the stomach that drink tea is remarkable heighten, the reason with high occurence rate of these area cancer of the stomach, depend on long-term and many drinkable contain the Indian tea with much tannic acid. Content of Chinese tea tannic acid is less, without Indian tea in that way malpractice, accordingly, proposal of Professor Mo Du is drinkable Chinese tea. A professor ever had done Taiwan college an experiment, tea wear powder, mix into feeds the small white rat of cancer cell of raise have an inoculation in feed. After 3 weeks, cancer cell is restrained apparently decrease even, accordingly, he thinks classics tipple tea can prevent cancer.

Current research gain thinks, the main material fighting cancer in tea is tea much phenol, it can control cellular mutation apparently, and cellular mutation can cause cancer sometimes. Additional, tea can block is broken inferior the synthesis of nitro- compound, also have the certain effect that prevent cancer.

Some considers to still make clear, tea can reduce the radiation damage of radiation, have anti-radioactive effect. Rich vitamin C and vitamin E are contained in tea, also have assist the effect that fights cancer. Accordingly, via tipple tea ill to lung cancer National People's Congress has profit, prevent cancer to defy cancerous result with delicate green tea among them optimal.

(responsibility edits: Wang Haie)