Tobacco use is a major risk factor for cardiovascular and respiratory diseases, over 20 different types or subtypes of cancer, and many other health conditions 1.
In this study, the researchers explored the variation in risk from current smoking compared with never smoking across different countries.
Data from 134 909 participants from 21 countries was analysed as part of the Prospective Urban Rural Epidemiology (PURE) cohort study, the INTERHEART case-control study and the INTERSTROKE case-control study.
Findings
- The risks of tobacco-related diseases from current smoking are higher in...