By Priyanjana Pramanik, MSc. A massive nationwide study shows that lighting up before age 20 leaves a lasting cardiovascular ...

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

Vaping with nicotine has become commonplace. It can be used to stop smoking cigarettes, but it has several serious health risks. The long-term effects of vaping are unknown.

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 ...

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 ...

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, ...

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 ...

As multiple wildfires blaze throughout Los Angeles County, more than 180,000 people have been displaced as smoke worsens the air quality in the area. Hundreds of thousands are also without power, and ...

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 ...