We're used to images of near-apocalyptic pollution in Beijing. But the world's worst air can be found some 2,400 miles to the west.

The brisk spring air floating through your bedroom window could be just what you need to get a good night's rest.

Depression and anxiety affect millions of Americans many of whom don't have access to therapy or don't seek treatment.

Botox, fillers, and lasers. They all have one thing in common when it comes to treating your skin: they're expensive.

Doctors say the biggest risk to soda drinkers is the excess calories, but even diet sodas can adversely affect your health.

When you're under the weather, the last thing you want to do is eat something that'll make you feel worse.

According to the Centers for Disease Control, one in 68 American children has an autism spectrum disorder.

Utah has the highest rate of melanoma cases in the country, but now doctors at a cancer institute in the state believe they may be onto a cure.

More than 18 million American adults suffer from sleep apnea and many don't even realize they have it.

Almost one in ten Americans has a form of diabetes.

Random drug testing in schools may sound like a good way to keep kids off drugs.

Stress is just part of daily life, but for many dealing with stress can be challenging.

It's been more than 50 years since the surgeon general's report on smoking was released, and researchers are still finding new diseases related to lighting up.

A new study could shed some light on a protein that may be the main culprit behind Alzheimer’s disease.

New research suggests a popular sugar substitute could lead to new treatments for some of the most common types of cancers.