CIGARETTE SMOKING

This study tested whether quitting cigarettes and e-cigarettes at the same time or one after the other is more effective. Nineteen adults who smoked and vaped received varenicline (a medication to reduce cravings) and counseling. Researchers measured abstinence and health markers…

This study tested whether a daily supplement made from a mushroom extract (PsP) could reduce markers of oxidative stress and inflammation in 200 adults who smoke or are exposed to smoke. Participants took either PsP or a placebo for 8 weeks, and researchers measured changes in bl…

This study tested whether mailing free samples of varenicline (Chantix) or nicotine patches and lozenges helps smokers quit. Over 650 daily smokers were randomly assigned to receive a free sample of varenicline, nicotine replacement products, or no medication. Participants comple…

This study tested a text-messaging program called 'iQuit Mindfully' that teaches mindfulness skills to help people stop smoking. Over 500 adult smokers in Atlanta used the program, some also attended in-person counseling. Researchers checked if participants stayed smoke-free for …

This study tested whether inhaling lemongrass (as a vapor or from an inhaler) could reduce nicotine dependence and improve health markers in 200 adult smokers aged 18–30. Participants used lemongrass products or nothing (control) and provided blood samples and questionnaires. The…

This study tested whether higher doses of nicotine patches and lozenges help people quit both smoking and vaping. 46 adults who used both cigarettes and e-cigarettes daily took part. Researchers measured how many days they stayed away from both products and checked for side effec…

This completed study with 285 daily smokers tested four different tax proposals in a simulated online marketplace. Researchers wanted to see how higher taxes on some tobacco products might push smokers to buy lower-taxed alternatives. The goal was to understand which tax approach…

This study gave free e-cigarettes to 17 adult smokers with asthma for 8 weeks to see if they would smoke fewer regular cigarettes and have better lung function. Researchers measured changes in smoking habits, dependence, and asthma symptoms. The goal was to gather early informati…

This study involved 440 daily smokers and dual users (smokers who also vape) to understand how price changes affect their choices between cigarettes and other nicotine products like e-cigarettes, nicotine pouches, and heated tobacco. Participants completed a simulated shopping ta…

This study looked at what makes people buy illegal tobacco and how penalties or product changes might stop them. 65 adult smokers and vapers took part in a simulated shopping experiment. Researchers tested different policy combinations to see how they affected spending on legal a…

This study looked at how men and women differ in their sensory experience and liking of e-cigarette flavors. 66 adult smokers who also used e-cigarettes tried sweet, cooling, and unflavored e-liquids with nicotine. Researchers measured how much they liked each flavor, how sweet o…

This study looked at whether doing a tobacco buying experiment online gives the same results as doing it in a lab. 87 adult smokers who smoke at least 5 cigarettes a day took part. The goal was to see if remote methods are a reliable way to study how price changes affect what peo…

This study looked at how smoking affects a brain chemical called glutamate in men versus women. Researchers scanned the brains of 58 smokers after not smoking overnight and after their first cigarette of the day. They also measured hormone levels in women to see if hormones influ…

This study looked at how information about nicotine changes what smokers believe and how they use tobacco. 74 adult smokers took part and answered questions about their views on nicotine and smoking. The goal was to understand, not to treat or cure.