-Proving Lung Cancer is Caused by Smoking -
A prospective study to determine if lung cancer is caused by smoking would start with a non-diseased population matched for various characteristics such as age or gender and then follow them over time to see who develops a bronchogenic carcinoma.
When you start a study with a non-diseased population it takes much longer for the study results to come in because you have to follow the population over a lifetime.
The British doctors study was the first long term prospective study that was able to provide the epidemiological evidence that lung cancer was asscoiated with use of tobacco.
A group of male British physicians were recruited into the study to be followed over their lifetime. Regular follow up occurred from 1951 until 2001.
The link to a host of smoking related diseases became apparent by following the group for over 50 years.
It was one of the first prospective studies to link smoking and lung cancer, but over the 50 years the study was in progress other retrospective studies were continuing to confirm that bronchogenic carcinoma was indeed a smoking related disease.
Believe the Facts About Lung Cancer or the Addiction Fiction
It is Your Choice
Neither retrospective nor prospective studies prove that you will get lung cancer if you smoke cigarettes. They only prove that a relationship exists. When that relationship becomes so profound such as 90% of people with lung cancer have a history of tobacco smoke exposure then that relationship can be said to be causal.
You can make the choice to deny that lung cancer is caused by smoking.
The facts however, do not change just because you choose to engage in addiction fiction.
So why do people smoke?
Discover the answer to this question on this page Why Do People Smoke?
by Beverly OMalley
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