cigarettes

Smoking pot is often considered safer than smoking cigarettes, but a new study suggests that marijuana use may increase a person's risk of death from high blood pressure.

A new study adds to evidence suggesting that marijuana really is a gateway drug for teens.

The findings of the new study could have implications for helping people quit smoking, the researchers said.

Nearly 1 billion people around the world light up cigarettes every day, a new study finds.

The bacteria in your mouth may be linked to your risk of certain cancers.

A new long-term study could show scientists how first exposures to marijuana affect the teenage brain.

The reasons people use e-cigarettes are shifting, with fewer using them as a way to quit smoking, and more using them as to a way to boost their social image, a new study finds.

Keeping your heart healthy could also benefit your brain — a new study suggests that people who have risk factors for heart disease in middle age are also at increased risk for dementia.

A new study finds that certain markers for heart disease risk are higher in e-cigarette users than in nonusers.