In a study involving 11,000 older men in Australia, the amount of their lives spent smoking correlated negatively with their need to undergo joint-replacement surgery in old age. Those who smoked for the majority of their adult lives – 48 years or more – were between 42 and 51 percent less likely to need surgery. Previous medical conditions and data were taken into account.
Although previous studies have indicated a similar link, this is the first study that shows a clear relationship, lead researcher and Ph.D. candidate George Mnatzaganian told CNN.
According to Mnatzaganian, while he and his fellow researchers in the study cannot conclusively explain their findings, they found that nicotine may play a role in stimulating healthy cells in joint tissue.Despite these results, the authors of the study do not encourage smoking as a means to ensure healthier joints, and these findings should not be used as justification for nicotine dependency. “Whatever new preventative or treatment strategies may be developed in the future, they will certainly not include smoking,” Mnatzaganian said.
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