Quitting Smoking Increases Risk of Death Among Elderly Smokers

Quitting smoking increases risk of death among elderly smokers.

Smoking is dangerous to health in all people; however, a recent study reports that quitting smoking late in life is even more dangerous, being correlated with increased risk of death especially among the oldest old people who have smoked for quite a long time.

Photo: Quitting Smoking | InStyleHealth



If you ask yourself why you should give up smoking just take a look at the risks and costs of continuing to smoke. You should know that 22% of all male deaths are due to smoking and 11% of all female deaths have the same cause. Narrowed and hardened arteries, cold hands and feet, weakened bones, peripheral vascular disease, cold skin, osteoporosis and decreased fitness are just a few smoking effects, but the risk of developing smoking related illnesses can be minimized by giving up smoking.


The study conducted included a group of 28,643 community-dwelling elderlies aged greater 80 years old from the Chinese Longitudinal Healthy Longevity Survey. Cox proportional hazards models aided examination of the association between quitting smoking and risk of death.


The Cox models with penalized splines established the associations, with an increased risk of death after quitting smoking. The highest risk of death was observed within 2-4 years after quitting smoking, with the risk gradually decreasing with duration of quitting.


The results proved consistent in subgroup and sensitivity analyses, which were conducted to minimize the impact of reverse causation.

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