Five ciggies a day enough to cause long-term lung damage, study finds

NEW YORK: New US research has found that smoking even just five cigarettes a day or less is enough to cause long-term damage to lungs.

Thanks to using such a large study sample, the researchers were able to see differences in lung function among light smokers and heavy smokers which other studies have been unable to detect. “Many people assume that smoking a few cigarettes a day isn’t so bad,” says study leader Elizabeth Oelsner. “That’s consistent with a lot of biological studies,” Oelsner says. “There are anatomic differences in the lung that persist for years after smokers quit and gene activity also remains altered.”

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