is smoking weed or cigarettes worse pot vs. tobacco: What science says about lighting up difference between weed and cigarettes

The relationship between cotinine and testosterone levels is complex

Two-stage direct charging and rechargeable electronic cigarette: the battery is designed as a component + atomizer and vaporization device, which contains nicotine solution + direct charging component

The study compared stable, low-rate smokers (those smoking less than 10 cigarettes per day, on average) with smokers who had quit

Government surveys show that the number of nondaily smokers rose 40 percent between 1998 and 2001, according to Shiffman

Flavor Additives E-liquids contain a variety of flavor additives to enhance the overall experience for ENDS users

16-223(b)(2) allows delivery of cigarettes by us