`No clear link` between lung cancer and passive smoking

ANI| Updated: Dec 14, 2013, 15:00 PM IST
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London: Passive smoking has no clear link to lung cancer, a study has revealed.

According to researchers at Stanford University, there is no significant relationship between the cancer and exposure to second-hand smoke, the Independent reported.

However, there is still a strong association between smoking and lung cancer.

The study was published in the latest Journal of the National Cancer Institute.