Let’s check what we’ve heard and what we think we know against the science.

The researchers compared CT images of cannabis smokers to heavy cigarette smokers and nonsmokers of the same age and gender. They found that emphysema was more common in cannabis smokers than in ...

A growing number of Americans are using cannabis as it becomes legalized for recreational adult use in a rapidly increasing number of U.S. states. Questions abound about what impact legalization will ...

NEW YORK (Reuters Health) - In people with rheumatoid arthritis, heavy cigarette smoking appears to slow the rate of joint destruction, new research suggests. Sign up here. "Potentially, this may be ...

Cigarette smoking can, unsurprisingly, irritate smokers' lungs right away, leading to sore throats and coughs. You're also ...

E-cigarettes are increasingly being used as a nicotine alternative as smokers seek ways to kick their habit. They work by heating a pure liquid called e-juice -- composed of flavorings, propylene ...