Concerned parents directed sometimes angry questions at officials after the discovery of a small amount of mercury at a Las Vegas school prompted an hourslong screening for exposure for more than a thousand children. The session with parents Thursday evening came as authorities investigated if a student brought the substance… Read More

Isabelle Dinoire, a Frenchwoman who received the world’s first partial face transplant, has died more than a decade after a complex and daring operation that set the stage for dozens of similar transplants worldwide. She was 49. Her life with a new face was a miracle to many, but was… Read More

Florida has found the Zika virus in three groups of mosquitoes trapped in Miami Beach — the first time this has happened in the continental U.S. — and authorities are blaming a particular flower for making mosquito control much more difficult. One of the traps that tested positive was at… Read More

Put down the Little Bites. The maker of the snacks is recalling some varieties of its fudge brownies and chocolate chip muffins because they may contain pieces of plastic. The announcement was made late Wednesday by Bimbo Bakeries, which owns the Entenmann’s brand. It said the problem stems from a… Read More

With the hourglass running out for his administration, President Barack Obama’s health care law is struggling in many parts of the country. Double-digit premium increases and exits by big-name insurers have caused some to wonder whether “Obamacare” will go down as a failed experiment. If Democrat Hillary Clinton wins the… Read More

The maker of EpiPens will start selling a cheaper, generic version of the emergency allergy shots as the furor over repeated U.S. price hikes continues — and looming competition threatens its near-monopoly. Despite its second move in five days to make EpiPens more affordable for consumers, maker Mylan N.V. still… Read More

The government told all U.S. blood banks Friday to start screening for Zika, a major expansion intended to protect the nation’s blood supply from the mosquito-borne virus. Previously, blood testing was mostly limited to parts of Florida and Puerto Rico, where Zika is spreading. Screening will initially extend to states… Read More