I had the following items on cigar/pipe smoking bookmarked, I have not read them yet but they may be of interest to you: https://academic.oup.com/jnci/article/

I had the following items on cigar/pipe smoking bookmarked, I have not read them yet but they may be of interest to you: https://academic.oup.com/jnci/article/91/8/697/2519397 https://academic.oup.com/jnci/article/91/8/697/2519397 https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-015-1617-5 https://bmcpublichealth.biomedcentral.com/articles/10.1186/s... https://pubmed.ncbi.nlm.nih.gov/24457405/ https://pubmed.ncbi.nlm.nih.gov/24457405/ https://harmreductionjournal.biomedcentral.com/articles/10.1186/s12954-020-00446-4 https://harmreductionjournal.biomedcentral.com/articles/10.1...