Results in Real Numbers Sphincter pressure reduction : 40% decrease in lower esophageal sphincter pressure in smokers Increased relaxation frequency : 3-fold increase in transient lower esophageal sphincter relaxations Impaired acid clearance : 50% longer esophageal acid clearance times in smokers Reduced saliva production : 30% decrease in saliva flow rate and bicarbonate content Increased reflux episodes : 2-3 times more reflux episodes per hour in smokers Symptom severity : 60% higher symptom scores in smoking GERD patients Safety, Limits, and Caveats The study examined acute and chronic effects of smoking but didnt extensively assess the reversibility of these mechanisms after smoking cessation
FDA has determined that the IQOS meets the definition of a cigarette and, as such, is subject to additional FFDCA requirements and regulations specific to cigarettes, such as advertising restrictions
Tobacco product use and cessation indicators among adultsUnited States, 2018
Under the Environmental Protection Act 1990, discarded smoking materials (such as cigarette butts) are classified as litter
The largest by far is, of course, Leonidas
doi: 10.1046/j.1365-2036.1999.00610.x
