Nutrients may be why some smokers avoid cancer

Scientists at the International Agency for Research on Cancer (IARC) said that although they have not found a causal link, the results may be a clue to why some smokers had never get lung cancer and some non-smokers or former smokers do.

Lung cancer is the most common form of the disease in the world and for 90 percent of all cases are caused by cigarette smoking. It kills 1.2 million people a year

About 10 to 15 percent of smokers develop lung cancer -- although they often die with other smoking-related causes like heart disease, stroke or emphysema. Lung cancer is also known to kill the people who never smoked or who gave up years ago

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