If a man-made chemical at any dose causes cancer in laboratory animals, the law says it can't be used as a food additive. But a wide variety of naturally occurring chemicals, found in all sorts of foods, can cause cancer in animals as well. A team of researchers from the University of California, Berkeley, and the Lawrence Berkeley Laboratory has tested 80 such natural carcinogens. Its conclusion, reported in Science, is that natural chemicals may be significantly riskier than artificial ones. Among the foods that cause problems: wine, lettuce, apples, mangoes and whole-wheat toast.
At least, the chemicals in these foods...
To continue reading:
or
Log-In
