Smokers over age 50 can reduce lung cancer risk by 39% JAMA: Quitting smoking after age 50 reduces lung cancer risk by 39% 20:02

Quitting smoking can reduce the risk of any type of cancer by 17% and the risk of lung cancer by 39-57%, depending on the age at which the person quits. This has been shown by a study published in the journal. JAMA Network Open.

The authors analyzed data from nearly three million people over the age of 30 in South Korea. Since 2002, all participants have completed two or more examinations as part of the national health insurance program. They were followed for an average of more than 13 years.

The analysis showed that smokers who quit had a 17% lower risk of developing all types of cancer than non-smokers. The largest risk reductions were observed for lung (42%), liver (27%) and colorectal (20%) cancers. At the same time, the risk of detecting lung tumors decreased faster than other types of cancer.

The most pronounced effect was observed in those who quit smoking before the age of 50. At the same time, the risk of lung cancer decreased by 57 percent, while this rate decreased by 39 percent in those who quit smoking at a later age.

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Source: Gazeta

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