Forbes August 11, 2024
Sustained smoking cessation was associated with a reduced risk of many cancers, particularly when quitting occurred before the age of 50, according to a large population-based study published in JAMA Network Open.
The study followed over two million Korean participants over more than 13 years to investigate the time course of cancer risk with time elapsed since quitting smoking. The study found that smokers who completely quit had a 17% lower risk of any cancer compared to those that continuously smoked. Decreased cancer risk for complete quitters was observed in several cancers; including lung, liver, stomach and colorectal.
The researchers reported that although cancer risk was reduced by a greater degree if smoking cessation occurred before the age of 50,...