Doctors found a clear correlation between ventilated cigarette smokers and adenocarcinoma, a common form of lung cancer
“LIGHT” cigarettes with ventilated filters may have made smokers more vulnerable to the commonest type of lung cancer, scientists say.
Researchers investigated why rates of adenocarcinoma, a cancer that occurs deep in the lungs, had increased in the last 50 years.
During the same period the number of people developing other forms of lung cancer fell.
Their study found a “clear relationship” between rising adenocarcinoma rates and a greater demand for light cigs.
Cigarettes with tiny holes in their filters were introduced 50 years ago and marketed as a healthier “low tar” option.
But experts now believe the holes allow smokers to inhale more fumes containing higher levels of cancer-causing chemicals and other toxins.
Dr Peter Shields led the research at Ohio State University in the US.
He said: “Our data suggests a clear relationship between the addition of ventilation holes to cigarettes and increasing rates of lung adenocarcinoma seen over the past 20 years.
“What is especially concerning is that these holes are still added to virtually all cigarettes smoked today.”
The US Food and Drug Administration says Marlboro Gold cigarettes have 26 per cent filter ventilation.
It is now illegal to label cigarette packets with the words “light” or “low tar” both in the US and the UK.
But the study authors say regulators such as the US Food and Drugs Administration should take action to ban the use of filter ventilation holes.
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