Boost your bacteria—kick the habit

Your gut microbe undergoes significant changes when you quit smoking—and that's probably a good thing, researchers say.

The sitting epidemic

Could corporate America keep employees from having their butts glued to their chairs for nine to 10 hours a day?

FDA banning e-cigarette sales to minors

Agency also wants other retail restrictions on access to vaping products.

Anti-smoking campaigns pay off

Ads have helped at least 400,000 Americans give up tobacco since 2012.