As the operator of an earthquake-damaged nuclear reactor in Japan raced to try and prevent the core from melting down, experts on the health effects of radiation described the situation as worrisome but not yet posing a serious threat to public safety. Full story
Despite the health effects and new regulations, many cigarette stocks are hitting new highs. But can an industry that everyone loves to hate keep smoking? CNBC's Brian Shactman discusses with Philip Gorham, Morningstar.
NEW YORK (Reuters Health) - While arsenic in water and food is a health concern, a new study suggests the levels found in most Americans are too low to raise their risk of high blood pressure. Full story
Ken Cook, president of the Environmental Working Group, talks with Keith Olbermann about the adverse health effects from exposure to the oil dispersant used in huge quantities in the Gulf of Mexico.
MIAMI BEACH, FL - JULY 18: Jeff Baughman bites into his Double Quarterpounder with cheese on July 18, 2002 at a McDonalds in Miami Beach, Florida. The health effects of an American diet of super-sized fast foods are becoming apparent as increasing numbers of children and adults are being treated f