These tiny holes, which you can see by holding the unrolled paper up to a bright light, can allow enough fresh air into the smoke that such cigarettes can test quite low in tar and nicotine levels ...

It’s a lot. Andrea: I know. Dr. William Cahan, Memorial Sloan-Kettering Cancer Center: This is the cancer forming element in smoke. Tar, cigarette tar, resulting from the burning of tobacco.

This is the "robot smoker" device which is designed to highlight the harmful effects of smoking. It works using a pump, a smoke collecting chamber, and a filter pad. As the cigarette burns ...

The US Supreme Court ruled unanimously Wednesday that health authorities acted properly when they blocked e-cigarette ...