GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - K2BFJI_5AFE25I1MK

Tea is rich in compounds called polyphenols, which are similar to certain compounds known to help prevent cancer. Among people in Japan, those who drink over ten cups of tea per day have lower rates of stomach cancer than others. On average, people in Japan drink much more tea than people in the United States and have lower rates of lung cancer. It is therefore likely that polyphenols also help prevent cancer.