Let’s check what we’ve heard and what we think we know against the science.

Traveling smoke from Canada's wildfires created an orange-tinged smog that shrouded New York City on Wednesday, obscuring its famous skyscrapers and causing residents to don face masks, as cities ...

Smoking tobacco is so harmful to the body that it changes a person's immune system, leaving them vulnerable to more disease and infection even years after they've quit, a new study found.Video above: ...

Three summers ago, the Caldor Fire burned its way up the Western Slope into the Tahoe Basin, scorching 221,835 acres. The fire burned for over two months, cloaking the lake and its surrounding ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. In recent years, ...

The Los Angeles wildfires have caused devastating losses of homes and lives — and survivors may also face hidden, although still potentially very dangerous, health effects. Wildfire smoke contains a ...

Credit: Getty Images Wildfire smoke health effects, including cardiovascular disease, are in need of further study as climate change intensifies. Consistent evidence supports a link between exposure ...

Smoke from local wildfires can affect the health of Colorado residents, in addition to smoke from fires in forests as far away as California and the Pacific Northwest. Researchers at Colorado State ...