Infuriated mom: Why can't I protect my body?

Molly Gray of Seattle tested highest in the study for mercury, which is found in tuna, fluorescent bulbs, dental fillings and other sources. Luckily her mercury reading fell below the level that the U.S. Environmental Protection Agency determines confers increased risk of health effects, although any exposure to mercury during fetal development is a concern, the Washington Toxics Coalition study says.