Burstyn (2014) estimated the potential levels of exposure to PG from e-cigarettes, assuming extreme consumption of the liquid per day via vaping (5 to 25 ml/day and 5095 percent propylene glycol in the liquid) and concluded that levels of propylene glycol in inhaled air can reach 16 mg/m 3 . With an assumption of complete absorption via inhalation, Burstyn concluded that estimated levels of exposure to propylene glycol and glycerin are close enough to TLV to warrant concern. However, putting these values in perspective with the clinical data from intravenous administration of PG in adults may be useful
The FTND score of each group showed a downward trend compared with that before and after treatment, and the inter-group comparison showed that although there was no difference in the amount of change in the FTND score among the groups, the amount of change in the ACNP group was higher than others
Figure 5 shows the effect of the cigarette filter on the build up of volatile species
However, users should beware that mugwort intensifies dreams and may even induce lucid dreaming
The factsheet stresses the urgent need to address these connections: 2 in 3 people with severe mental health conditions are current smokers, which has an enormous impact on health
ISBN 978-0-593-06939-4
