He buys his tobacco and pours it into a machine that resembles a large, wooden cabinet and waits. In eight minutes, the roll-your-own machine produces 200 cigarettes, or enough to fill a carton.

Researchers have developed an artificial human lung on a chip and cigarette-puffing robot to carry out more accurate tests into the effects of smoking.

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Smoking is the main cause of COPD, and there is no cure. Researchers lined the chips with cells derived from COPD patients as well as unaffected people and filled the chambers with cigarette smoke.

Back in the 1970s and 1980s, cigarette vending machines could be found in nearly every restaurant, bar, convenience store, and gas station. At the time I was an enthusiastic bar-hopping chain ...

In 2014, China’s State Council released a draft of a national smoke-free law that would ban indoor smoking in public places and require large, graphic warnings on cigarette packages.