Here's a short list of the harmful chemicals that you ingest every day when you smoke cigarettes
If you roll your own cigarette, you will have full prior knowledge of exactly what is going into your cigarette, and in the same vein, what will be getting inside of your body
Whats the smoke like compared to du Maurier or Belmont
Adjusting for age and education, ever-smokers of all ages are more likely to die of respiratory TB, though the increase is risk is greater among 35-69 year olds than it is among individuals over age 70
It doesnt get any more precise than that
Lung function tests, such as spirometry, measure the amount of air a person can inhale and exhale, helping to differentiate COPD from other lung conditions