Specifically, researchers say that up to 40 percent of cancer cases could be prevented if people would eat mainly plant-based diets, exercise regularly and maintain a healthful body weight.

• 专家们着重指出如果人们的饮食主要以植物食品为主、且有规律地锻炼、再加上保持一个健康的体重，40%25的癌症是可以得到预防的。