Many people died from emphysema and lung cancer, after suffering from breathing difficulties and coughing up blood. Post-war, a young researcher named Richard Doll studied patients in London with suspected lung cancer to ascertain if there was a common factor in their stories. "But if they were a heavy smoker, it was usually lung cancer. In 649 cases of lung cancer, there were two non-smokers." Despite the abundance of data on the effects of primary and second-hand smoking to lung health, knowledge among some sections of the general public can be low.

Source: The Star May 31, 2019 03:11 UTC