Yes, we can learn lots from this single picture. Smokers face a substantial increase in risk for a number of diseases over those who don't smoke:
- Coronary Heart Disease: 2 to 4 times
- Stroke: 2 to 4 times
- Lung cancer risk for men: 23 times
- Lung cancer risk for women: 13 times
- COPD-related death: 12 to 13 times