Consumer Reports identifies five ingredients that are in our food but shouldn't be, including Red Dye No. 3, brominated vegetable oil, and propylparaben.

Many food additives used by manufacturers are legal in the U.S. but banned in Europe. Common additives include: Titanium dioxide, a whitening agent added to products like skim milk.

Nanotechnology will be vital in reducing waste and improving the agricultural supply chain. Americans throw away nearly 40% of their food — equivalent to about 119 billion pounds annually.

Various types of nanomaterials, due to their differing construction material, shape, size, and integration, have been exploited for a wide variety of applications within the food industry.

CR tested popular fast foods and supermarket staples for some of the chemicals used to make plastic, which can be harmful to your health. Here's what we found—and how to stay safer.