The National Institutes of Health will partner with the Centers for Medicare and Medicaid to create a database of Americans with autism, using insurance claims, medical records and smartwatch data.

13 states got the greenlight to add work requirements during the first Trump Administration, but courts halted those plans. Now that Trump is back in the White House, some states are trying again.

The Centers for Disease Control and Prevention has laid off thousands of workers since January. Current and former CDC staff members are grappling with uncertainty about both their futures and public health.

Rafael Nadal won the French Open an incredible 14 times. The tennis great's skills, especially on clay courts, were unmatched.

For three decades, the federal government has spearheaded Safe to Sleep, a public health campaign to help prevent babies from dying in their sleep.

Casey Johnston spent years running and restricting calories. When she started weightlifting, she rebuilt muscle mass — and her relationship with her body.

Soaps, lotions and shampoos were found to have formaldehyde and formaldehyde-releasing preservatives.

Dr. Janette Nesheiwat withdrew her nomination for Surgeon General after questions about her credentials. Dr. Casey Means has a medical degree from Stanford and a best-selling book on metabolic health.

The CDC has lost thousands of workers since January. At a conference celebrating the work of the agency's "disease detectives," current and former staff grappled with uncertainty about the future.

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.