The Global Breath: Understanding the Impact of Smoking and Air Pollution on COPD

Chronic Obstructive Pulmonary Disease (COPD) is no longer a “hidden” disease; it is now one of the top three causes of death globally [1]. While many associate the characteristic cough and shortness of breath solely with cigarette smoking, the reality of this condition varies dramatically depending on where you live in the world [1][2].
The Smoking Connection
In high-income countries (HICs) like the United States and the United Kingdom, tobacco smoking remains the dominant cause of COPD, linked to 80% to 95% of all cases [2][3]. For those who smoke, the risk is severe: smokers are estimated to be 12 to 13 times more likely to die from COPD than those who have never picked up a cigarette [4] .