Will Stone

If you're trying to build muscle, getting enough protein is a must. But does it matter if that protein comes from meat or plants? A new study overturns assumptions.

L.A. County has declared an outbreak of Hepatitis A due to a spike in cases over the past year and data showing an increase in wastewater. Health officials aren't sure what's behind the rise in cases.

The Trump administration has decimated an agency responsible for carrying out much of the research and prevention efforts to curb exposure to dangerous substances and situations in the workplace.

There has been a staggering rise in early onset colorectal cancer. Research published in the journal "Nature" on Wednesday suggests a bacterial toxin could be a contributor.

Injury is the leading cause of death for people under the age of 45. But much of the staff at the CDC responsible for studying how to track and prevent injuries were cut during the recent firings.

As the U.S trade war heats up, President Trump has called for European countries to start buying our chicken and eggs. But food safety regulations put in place many years ago prohibit that from happening. Will Stone, reporter. Gisele Grayson, editor.

TikTok has become the go-to source on ADHD for teens and young adults. But a new study finds that a lot of the information is misleading and can make people's symptoms worse.

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems might be primed to fend off a worse case, research finds.

The National Institutes of Health is terminating dozens of studies examining why people are hesitant about vaccines and how to increase uptake. mRNA vaccine research may be on the chopping block, too.

Staff and observers worry that the agency may not be prepared for emerging threats including bird flu and insect-borne diseases.