Erika Edwards

The USDA said the Oregon farm has been quarantined to prevent the spread of the virus and there are no concerns about the safety of the nation's pork supply.

The number of E. coli cases linked to McDonald's Quarter Pounders has risen to 90, the Centers for Disease Control and Prevention said Wednesday, up from 75 reported cases last Friday.

A pig in Oregon has tested positive for the H5N1 bird flu virus, the Agriculture Department said Wednesday. It's the first time the virus has been detected in swine in the United States.

“Our brains are basically threat detectors. If you’re feeling stressed, it simply means you’re paying attention,” a Duke psychologist said. Here’s how to cope.

In Union County, North Carolina, the political climate is stirring up anxiety among voters.

Election-related stress and anxiety affects the majority of Americans. Here's how to handle election anxiety.

Pediatricians worry that political rhetoric doubting the safety and effectiveness of vaccines could reverse decades of public health successes.

The health agency now urges proactive testing and treatment for the virus among any workers who were exposed to H5N1.

Dentists say fluoridated water was one of the most significant public health advances in recent memory. The incoming administration may not see it that way.

Decades of evidence shows the cavity-fighting mineral drives down tooth decay. But some say the science behind fluoride is changing, and needs closer scrutiny.