BPA, a key ingredient in hard plastics and resins used to coat metal cans, made headlines in 2008 when it was shown to leach out of plastic when heated. The Canadian government responded by banning the chemical from baby bottles. In the United States, the federal government has not followed suit, but several local governments have and leading U.S. baby bottle manufacturers went BPA-free voluntarily. But the chemical continues to line the country's cans.
"I think they're definitely right in trying to get this chemical out of canned foods," said Dr. John Spangler, professor of family and community medicine at Wake Forest School of Medicine. "We can't do anything about past exposures but we can do something about current exposures." (Read complete article.)