According to analysis co-authored by Richard Muller, a physics professor at the University of California, Berkeley, if you were, on average, exposed to 22 micrograms per cubic meter of PM2.5, itd be the equivalent to smoking one cigarette a day
Nicotine can therefore exist in three forms as defined by protonation status: unprotonated, monoprotonated and diprotonated
Expert Opin Drug Deliv 2019 Nov;16(11):1193-203 The effect of flavored e-cigarettes on murine allergic airways disease
An updated Animal Research Review Panel guideline for smoke inhalation procedures in rodents, issued in July, stated that "similar endpoints can be produced using both approaches"
Table 4 Distribution of the respondents based on the problems faced with passive smoking