Environmental groups say a ban would protect consumers from the health effects of BPA that leaches from products including some soup cans<a href="http://www.npr.org/2011/03/02/134196209/study-most-plastics-leach-hormone-like-chemicals"></a>.
The U.S. Food and Drug Administration has denied a call to ban the plastic additive BPA from food packaging. The action comes after government scientists found little reason to think people are being harmed by the chemical.
The FDA was responding to a petition from the Natural Resources Defense Council, which called for the ban on BPA, also known as bisphenol A, from any use where it comes in contact with food.
Pigs take a mud bath at the De Jofrahoeve pig farm in Esch, Netherlands. Dutch farmers treat their animals with almost three times the antibiotics that their Danish neighbors use.
Credit Robin Utrecht / AFP/Getty Images
If Danish pigs can live with fewer antibiotics, why can't their American cousins?
It's a hot topic, especially today. Yesterday, a federal judge ordered the U.S. Food and Drug Administration to proceed with a 1977 plan to outlaw the use of certain antibiotics as growth promotion drugs.
Young-min Kwon of Massachusetts General Hospital holds the metal-alloy ball of Susy Mansfield's faulty artificial hip joint. The yellowish tissue on top is dead muscle caused by a reaction to the metal debris produced by the defective hip implant.