The American Heart Association (AHA) has identified seven simple steps people can take to reduce their risk of heart disease. But new evidence suggests that the AHA's "Life's Simple 7" may wind up benefiting much more than patients' hearts. {C}

Smokers, it’s never too late to quit — and there may now be even more good reasons to do so.

After surgery, the body needs to focus on healing. Smoking may interfere with this healing process. People who smoke after surgery could be putting their bodies at serious risk for complications.

Smoking is unhealthy for the healthiest of people. But for people with human immunodeficiency virus (HIV), smoking is even worse. Want to stay healthy with HIV? Quit smoking now.