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September 23rd, 2013
According to a new research, triclosan, a product many of us come into contact with multiple times a day, is having a detrimental effect on the environmental. The product, invented in the 1960s to stop or slow the growth of bacteria, fungi, and mildew in the operating room, is now found in about half of liquid soaps, and is frequently used in toothpastes, deodorants, costmetics, detergents and other common products. When the chemical enters the water system, its efficiency works against naturally occurring bacteria, upsetting the ecosystem. Emma Rosi-Marshall, one of the paper's authors and an aquatic ecologist at the Cary Institute of Ecosystem Studies in Millbrook, New York, explained in a press release from the Institute, "Not only does it disrupt aquatic life by changing native bacterial communities, but it's linked to the rise of resistant bacteria that could diminish the usefulness of important antibiotics." With colleagues from Loyola University and the Illinois Sustainable Technology Center, Rosi-Marshall explored how bacteria living in stream and river sediments responded to triclosan in both natural and controlled settings. Field studies were conducted at three sites in the Chicago metropolitan region.