"A lawsuit against DuPont Co. claiming its nonstick Teflon cookware coating could pose health risks to users has been dropped."

"New research raises additional concerns about the harmful effects of formaldehyde, a common chemical found in everything from plywood to nail polish, car exhaust and cigarette smoke."

"Chicago on Wednesday became the first U.S. city to adopt a ban on the sale of baby bottles and sippy cups containing the chemical BPA."

"An empty gasoline tank undergoing repairs exploded Tuesday at a fuel storage facility in rural north-central Arkansas, killing three workers, authorities said."

"A U.S. ban on the use of carbofuran in food won't affect production of the pesticide at the Institute chemical plant because most of the product is shipped overseas, officials said Tuesday."

"A last-minute health advisory issued by the Bush administration for water contaminated with the toxic chemical C8 may not be nearly stringent enough, according to a new scientific paper."

"The Environmental Protection Agency issued a final rule Monday banning the use of the pesticide carbofuran on food crops, saying it poses an unacceptable health risk, especially to children."

Every night Train No. 339 pulls out of the shabby station in the Punjabi farm town of Bathinda. It has a chilling nickname -- "the cancer train" carries some 60 patients each night to the regional cancer hospital.