This could result in severe water scarcity and increased preferential flow through fissures, which could cause a significant vertical MPs transport to deeper layers 73
Despite these measures its always best to limit non-smoke particle exposure
1 Many potentially toxic gases are present in higher concentrations in sidestream smoke (the smoke that comes from the lighted end of the cigarette/pipe/cigar) than in mainstream smoke (smoke that is inhaled by a smoker and then exhaled into the environment) and nearly 85% of the smoke in a room results from sidestream smoke

Health through the Life Course Groups and networks EVIPNet Health Evidence Network (HEN) Focus on Ebola outbreak in Africa Conflict in Israel and the occupied Palestinian territory Climate crisis: extreme weather Mpox Ukraine emergency Coronavirus disease (COVID-19) pandemic Our work in emergencies About health emergencies Health emergencies newsletter WHO European Region Health Security Bulletin Health emergencies in the Region Health emergencies list About WHO Europe Regional Director Executive Council Organigram Technical centres Teams Faces of WHO Governance Regional Committee for Europe Standing Committee Partnerships Partnerships Groups and networks WHO collaborating centres 26 October 2023 | graphics (infographic) WHO Team Special Initiative on NCDs and Innovation (SNI)
Healthy People 2020 2017 [Available from: van Hasselt M, Kruger J, Han B, Caraballo RS, Penne MA, Loomis B, et al
Inequalities and smoking in pregnancy Smoking during pregnancy is a health inequality associated with complications in pregnancy, stillbirths, neonatal death and serious long-term health implications for both mothers and their babies