但是为证明相关性而设计的逻辑严密的实验，未能证明食用大部分常规食品与癌症风险之间的关系。
But epidemiological studies that look for correlations have failed to show a link between eating larger portions of conventional produce and higher risks of cancer.
人工调味品和人工色素：人工调味品和人工色素与许多种类的癌症的引发存在相关性，特别是当人们大量地摄入垃圾食品的时候。
Artificial Flavorings and Colors: Associated with various types of cancers, especially when consumed in large amounts in a diet of junk food.
在西方，癌症病例的上升是与工厂农业的上升和使用含有植物油和食品添加剂的加工食品的上升相平行的。
The rise in cancer in the West has paralleled the rise in factory farming and the use of processed foods containing vegetable oils and additives.
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