The possibly next top health official in the U.S. wants to take fluoride out of the tap water so we look into the concerns, benefits and potential impacts.

For many parents, getting kids to bundle up and dress for the weather is a challenge. So, will being out in the cold make them sick?

The U.S. Department of Health and Human Services has paused public communications until Feb. 1 as Trump appointees take control of health agencies.

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of transmission.

Three people died from apparent carbon monoxide poisoning at Saguaro Lake in Mesa on Jan. 18, a poison that kills hundreds annually.

Amanda and Jason Elderkin and Amanda's mother Julieanne Afman were found dead on a boat at Saguaro Lake on Jan. 18. Was it carbon monoxide poisoning?

A woman was attacked by dogs in south Phoenix Thursday morning and is now hospitalized. Here's what we know about the incident.

In the past seven months, several school districts in Maricopa County have faced significant challenges, many attributed to financial difficulties and low enrollment.

Doctors see more carbon monoxide poisoning calls during January so here are some tips to safely heat your home.

Arizona Game and Fish Department warned Arizona hunters and falconers about bird flu, and gave safety guidelines and tips for preventing the spread.

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to watch for, and how to stay safe.

"When cold weather occurs, people tend to congregate indoors, in more crowded environments, making it easier for germs to spread," he said. What's more, some viruses can survive better in the cold, and the human immune system may lose some of its effectiveness.