If you’ve recently quit tobacco or are preparing for a screening, a smart question you may be asking yourself is: how long does nicotine stay in your system? According to the U.S. Food and Drug ...

Mandating the sales of reduced nicotine cigarettes to non-addictive levels, in coordination with adopting the WHO Intense method to accurately measure their emissions, has the potential to save ...

Cigarette makers will no longer be able to use government guidance from 1966 to argue that U.S. authorities view cigarettes with less tar and nicotine as safer.