New research dismantles the long-held belief that smoking less means less harm. Scientists now say the body suffers significant cardiovascular damage from even low levels of smoking. Researchers from ...

Researchers say that smoking as few as two cigarettes a day can significantly increase a person’s risk of heart disease. Experts say there is no safe level of smoking, and the best preventive strategy ...

We asked the experts if social smoking was essentially playing with fire. Ask Well We asked the experts if social smoking was essentially playing with fire. Credit...Eric Helgas for The New York Times ...