Difference Between a Blunt and a Joint: What Actually Changes Rolling paper is thin, neutral, and burns quickly
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The biased uncertainty of each measurement method was based on previous studies, specifically 3% uncertainty in particle mobility diameter by DMA classification 68 , 4.7% uncertainty in particle aerodynamic diameter by AAC classification 69 , 2.8% uncertainty in particle mass by CPMA classification 70 and 10% uncertainty in particle concentration using a CPC 71
Harmful Components in Tar Cigarette tar contains many harmful substances, such as: Polycyclic aromatic hydrocarbons (PAHs) : These are potent carcinogens found in tar due to the incomplete combustion of tobacco leaves
However, new types of carcinogens found in vapor, added flavoring chemicals, and the difference in volume of vapor versus cigarettes, all make the claims of improved safety of vaping questionable