High levels of BPA exist in canned goods and even baby bottles. Tests have shown these levels have caused serious harm to animals.
Bisphenol A, a chemical used in producing hard plastics used in water and baby bottles was shown to be harmful to humans, causing abnormalities in reproductive systems, and causing breast and prostate cancer, diabetes and heart disease. As a result, people began tossing out their plastic bottles.
Now, the chemical has been found in various brand-named canned goods.