许多年前,科学家们就已知道,素食者及其他常吃富含植物性食品的人群中,癌症发病率较低。现在有证据说明,这些食物之所以能防癌,其原因是它们含有丰富的阻止新血管 Many years ago, scientists knew that the incidence of cancer was lower among vegetarians and other people who ate more plant-based foods. There is now evidence that the reason why these foods can prevent cancer is that they are rich in blocking new blood vessels.