1. Definitive information on the protective and central Sweden (42) future interven
2. effects of polyphenol consumption on tion studies on gastric and esophageal can
3. cancer will come from intervention studies. cers with tea preparations among high-risk
4. Based on the suggestive epidemiological populations should be very worthwhile.
5. data from Shizuoka Kyushu (54) Intervention trials with other polyphenols