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Last updated on April 16, 2014 at 13:39 EDT

Latest Chlorpyrifos Stories

2009-09-11 12:18:18

Additional restrictions on three pesticides will help protect salmon in four western states, the U.S. Environmental Protection Agency said Friday. Changes in the use of three organophosphate pesticides -- chlorpyrifos, diazinon and malathion -- should keep water cleaner in California, Idaho, Oregon and Washington, EPA officials said in a release. The changes, to be noted on product labels, include the addition of pesticide buffer zones and application limits based on wind speed, soil moisture...

2009-06-24 09:34:19

 Although it is known that infants are more susceptible than adults to the toxic effects of pesticides, this increased vulnerability may extend much longer into childhood than expected, according to a new study by researchers at the University of California, Berkeley.Among newborns, levels of paraoxonase 1 (PON1), an enzyme critical to the detoxification of organophosphate pesticides, average one-third or less than those of the babies' mothers. It was thought that PON1 enzyme activity in...

2009-06-23 10:41:14

 Although it is known that infants are more susceptible than adults to the toxic effects of pesticides, this increased vulnerability may extend much longer into childhood than expected, according to a new study by researchers at the University of California, Berkeley.Among newborns, levels of paraoxonase 1 (PON1), an enzyme critical to the detoxification of organophosphate pesticides, average one-third or less than those of the babies' mothers. It was thought that PON1 enzyme activity in...

2006-01-11 12:25:36

By Charnicia E. Huggins NEW YORK (Reuters Health) - While infertility may be caused by a number of factors, new study findings suggest that exposure to nonpersistent, or short-lasting, insecticides may play a role in male infertility. "Environmental exposure to chlorpyrifos or its metabolite (TCPY) may be associated with reduced levels of circulating testosterone in adult men," lead study author Dr. John D. Meeker, of the University of Michigan, Ann Arbor, told Reuters Health. "A...