View this article which explains the comparison between vaping and smoking, including the amount of chemicals in comparison
Figure 3 showed that over 75% of current smokers in Group A and approximately 40% of current smokers in Group B had smoking cessation intention due to GWLs, in spite of their gender, individual monthly income, tobacco smoking intensity and smoking burden
Davis, R., Rizwani, W., Banerjee, S., Kovacs, M., Haura, E., Coppola, D., & Chellappan, S
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Dr Wilson said, "if there's any predisposition to bipolar disorder or schizophrenia or psychosis or even anxiety, use of marijuana, especially long-term use, can absolutely exacerbate that." But she said sometimes it's difficult to make a distinction between symptoms caused by marijuana use and those caused by using tobacco