Comparing smoking-related disease rates from e-cigarette use with those from tobacco cigarette use: a reanalysis of a recently-published study.

Third, there was a highly significant lower OR for vaping than for cigarette smoking for all three disease endpoints, the ORs being 0.48 (95%CI: 0.35–0.67) for MI, 0.65 (95%CI: 0.49–0.86) for stroke and 0.46 (95%CI: 0.35–0.60) for COPD based on the data extracted from the source papers.

also in 132,142 other papers