In one study, guinea pigs exposed to secondhand smoke for more than 6 months developed microscopic changes in their lungs similar to those seen in people who smoke
It is important to understand that there are currently no widely accepted air concentration limits for most pollutants indoor and therefore levels that trigger an alert of a potential problem are determined by the manufacturer of the monitor
The Future of Low-Nicotine Cigarettes Recent market trends reveal a significant shift towards low-nicotine cigarettes, a development driven by growing health concerns and anti-smoking regulations
Adkison SE, OConnor RJ, Bansal-Travers M, Hyland A, Borland R, Yong HH, Cummings KM, McNeill A, Thrasher JF, Hammond D, Fong GT
Based on the tobacco industrys history of targeted consumer and audience research, the delay in message communication may be an industry tactic to dilute the impact of these anti-smoking messages
They estimated that the PG exposure from one 50-to 70-mL puff would be from 430 to 603 mg/m 3 , and noted that These exposure concentrations were higher than the points of departure for airway irritation based on a human study (propylene glycol, mean concentration of 309 mg/m 3 ) and a rat study (glycerol, no-observed adverse effect level of 165 mg/m 3 ) (Kienhuis et al., 2015, p
