There is still however, a hypothesis that long-term hypoxia of cells in the body, measured in years, is the primary trigger for cancer................
And again if this were true then all COPD patients would have cancer. Yet this is not the case.
What has been shown to cause cancer over and over and over and over....... are pathogens, especially viruses. Healthy cells can be made cancerous by infection with these viruses even when no hypoxia is present.