Drug vaping applied to cannabis: Is Cannavaping a therapeutic alternative to marijuana? Scientific Reports Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Thirdhand smoke from tobacco, e cigarettes, cannabis, methamphetamine and cocaine: Partitioning, reactive fate, and human exposure in indoor environments ScienceDirect If you use cannabis, do it safely Harvard Health