A significant link was found between active cigarette smoking and an elevated rate of pneumonia in COPD, whereas this was not ...

The most comprehensive study to date investigating whether e-cigarettes are a gateway into or out of smoking finds that, at the population level, there is no sign that e-cigarettes and other ...

Cigarette smoking among Americans has plummeted to an all-time low, with only 11 percent of U.S. adults saying they have smoked cigarettes in the past week, according to a new Gallup poll. It’s even ...