Regulatory Toxicology and Pharmacology 59 (2011) 197214)
Table 4: Distributions of men, women and histologic cell types among 4975 cases of lung cancer with corresponding odds ratios and 95% confidence intervals for vaping and cigarette smoking.* Table 5 shows odds ratios and 95% confidence intervals by vaping and smoking status for a subset of 4,637 cases and 24,055 controls for whom we had more detailed information on cumulative cigarette smoking history (pack-years of smoking)
However, removing the filter paper doesnt actually make the cigar any safer to smoke, contrary to popular belief
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