Detectable chemical IDs smokers with lots to lose
(Newser) -
A chemical detectable in urine can help predict which smokers are prone to lung cancer, NPR reports. A 10-year study of 500 smokers found that those with the highest levels of nicotine and NNAL—created as the body metabolizes tobacco—were 8.5 times more likely to develop cancer. Researchers...
More »
