"WASHINGTON -- House Republicans scouring for evidence of overreaching environmental regulations are taking aim at a two-decade-old, taxpayer-funded scientific study by Harvard researchers that linked air pollution to disease and death."

"WASHINGTON -- The Environmental Protection Agency this week quietly withdrew two draft rules dealing with the regulation of chemicals. The potential rules were in limbo at the Office of Management for several years."

"Arsenic in rice occurs at such low levels that it poses no short-term health threat, Food and Drug Administration says, although it is still studying long-term effects. The arsenic in rice is thought to come from water on the ground, which is where rice is grown."

"More than half a century has elapsed since the Seattle School Board — with nary a raised eyebrow, records indicate — voted to allow one of the nation's biggest and busiest highways to be built cheek-by-jowl with John Marshall Junior High, trading away the school's playground for a larger plot of land nearby."

"The eight-state commission that sets water quality standards for the Ohio River wants a two-year delay on enforcement of a more stringent mercury standard while it considers relaxing those rules."

"Emissions from battery recycler Exide pose a 'chronic hazard' to more than 250,000 people in surrounding areas, air district officials say. Risks include neurological changes in children."

"CAMBRIDGE, Mass. -- Polluted air causes roughly 200,000 early deaths each year across the United States, researchers from the Massachusetts Institute of Technology conclude after tracking emissions from industrial smokestacks, vehicle tailpipes, marine and rail transport, and commercial and residential heating."

"Steps such as quitting smoking and controlling blood pressure and cholesterol could save more than 200,000 Americans a year, a report finds."

"Eating raw oysters in the summertime is always risky; aqueous pathogens peak when the ocean is warm, which is part of why folk wisdom suggests one should only eat raw shellfish in months with an 'R' in the name. But this summer's been riskier than ever."

"The human genome codes for approximately 23,000 genes, yet some experts have suggested that the total information coded by the human genome alone is not enough to carry out all of the body’s biological functions. A growing number of studies suggest that part of what determines how the human body functions may be not only our own genes, but also the genes of the trillions of microorganisms that reside on and in our bodies."

"BOSTON -- The Massachusetts Department of Public Health (DPH) and the Massachusetts Department of Fish and Game, Division of Marine Fisheries (DMF) have closed 40 oyster beds in Plymouth Harbor, Kingston Bay, Duxbury Bay, Bluefish River and Back River in the towns of Plymouth, Kingston, Duxbury and Marshfield."

"Marta Cruz left Michoacán, Mexico with her husband and 1-year-old son a decade and a half ago to work in the fields of Homestead, Florida, picking lemons and tomatoes as farm workers. A couple of years ago, she began suffering from headaches but figured it was from the long hours working under the sweltering sun or the stress of figuring out how to pay bills."

"Federal authorities are struggling to explain why 600 people in 22 states have fallen ill from a foodborne parasite rarely seen in the United States. But some officials are ready to finger one culprit that has hindered their investigation: the sequester."

"There's a heated debate over the use of antibiotics in farm animals. Critics say farmers overuse these drugs; farmers say they don't. It's hard to resolve the argument, in part because no one knows exactly how farmers use antibiotics."

"Air pollution causes about 200,000 early deaths each year in the United States, according to a new study from the Massachusetts Institute of Technology (MIT)."