"As extremely hot temperatures continue to hit much of the country, high school football teams are busy getting ready for the fall season. Last year, five high school football players died of heat stroke. Across the country, experts are trying to prevent those kinds of tragedies."

"FRESNO, Calif. -- The rustic tent cabins of Yosemite National Park — a favorite among families looking to rough it in one of the nation's most majestic settings — have become the scene of a public health crisis after two visitors died from a rodent-borne disease following overnight stays."

"A crusading oil patch lawyer calls the American refinery industry an 'under-regulated cesspool.' A member of the U.S. Chemical Safety Board is more polite, describing a mismatch between well-heeled oil companies and under-qualified government regulators."

"YOSEMITE NATIONAL PARK, Calif. -- A second person has died of a rare, rodent-borne disease after visiting one of the most popular parts of Yosemite National Park earlier this summer, and park officials were warning past visitors to be aware of some flu-like aches and symptoms and seek medical help immediately if they appear."

"Critics say manufacturers are too often making the call on their own products."

"If you’re worried about picking up an infectious disease this summer, you may be fretting about catching West Nile disease from a mosquito, H3N2v influenza from a pig, or salmonella from a cantaloupe.  But for those who like to dabble in pure medical horror, there’s little scarier to ponder than a brain-eating amoeba lurking in your tap water."

"FRESNO, Calif. – The federal government and McDonald's Corp. suspended purchases of meat Wednesday from a California slaughterhouse under investigation for animal cruelty and possible health issues."