Urine Test Could Determine Risk of Lung Cancer

POSTED: Tuesday, April 21, 2009 - 9:36am

UPDATED: Thursday, February 25, 2010 - 12:33pm

Topping in medical news even though there's no question smoking can lead to lung cancer some smokers never develop the deadly disease.

Now researchers at the University of Minnesota are closer to finding out why. They studied urine samples from more than 50,000 people and found smokers with the highest levels of nicotine and a metabolite called NNAL had 8 times the risk for lung cancer compared with smokers with the lowest levels.

The metabolite has been shown to induce lung cancer in lab animals, but the effect had not been studied in humans and the research could someday lead to a urine test to determine whether a smoker is at risk for lung cancer.

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