From Ministry of Cigars :
The American Food & Drug Administration (FDA) did a study. A systematic review of the risk of cigar smoking . The FDA reviewed 22 different studies to draw their conclusion.
- “Ministry of Cigars”: https://ministryofcigars.com/the-stupidity-of-cigar-legislation/
- “A systematic review of the risk of cigar smoking”: https://www.rstreet.org/2016/08/24/fda-study-cancer-risks-nearly-nil-for-1-2-cigars-per-day/