Susan Monarez is testifying at a Senate hearing on Wednesday that she faced pressure to support vaccine recommendations. The ...

A measles outbreak in northern Arizona has led to 46 cases statewide in 2025, the highest number since 1991. The outbreak is ...

Gov. Katie Hobbs' order to improve access to the COVID-19 vaccine was a first step and it could be a week or more before Arizonans see the benefits.

Chagas disease, caused by kissing bugs, is now endemic in the U.S. Learn about symptoms, prevention and why experts urge ...

ALS is a difficult disease to diagnose, and researchers say they’ve found clues in the blood that can help with early detection.

Over the past six weeks, 42 cases of measles have been confirmed in the northwest Arizona town of Colorado City, according to ...

An Army veteran who set fire to an American flag near the White House to protest President Donald Trump’s recent executive ...

The Federal Reserve has cut its benchmark interest rate for the first time in nine months. Since the last cut, progress on inflation has slowed while the labor market has cooled and Wall Street has ...

Cocaine use is now more popular than ever in the U.S., with a major resurgence in recent years allowing the Mexican drug lord ...

If you already dread changing the clocks, a new study from sleep researchers with Stanford Medicine may have you researching a move to Hawaii or Arizona, the two states that do not observe daylight ...