Many electronic cigarette fans tout the devices' ability to help people quit smoking conventional cigarettes. New evidence suggests, however, that e-cigarettes may not live up to the hype.

Much progress has been made in recent years in the public health fight against cigarettes, but new evidence suggests that US teens might be picking up electronic cigarettes as fast as they are dropping traditional tobacco.

Teens often imitate mom, dad and other adults. And it looks as though they may also imitate some of what they see in movies.

Do you believe smoking can help control your weight? If so, think again.

Controlling cancer requires multiple prevention strategies. The United States has made some notable progress in recent years, but there's still room for improvement.

Lower back pain can be irritating at best and debilitating at worse. For some, simple lifestyle changes may make a huge difference.

Fentanyl, a powerful opioid drug often used to relieve pain for terminally ill patients, may have some much more dangerous uses.

Some people turn to medications like varenicline (brand name Chantix) to help quitting smoking. Chantix can be helpful, but it comes with a few warnings.

Electronic cigarettes, or e-cigs, may be increasing in popularity among teens. And teens may not have much trouble buying e-cigs online, despite being underage.