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According to a new Australian study, smokers who quit today will need 40 years to fall to the same level of lung cancer risk as those who have never smoked.
But this should not discourage potential smokers. In addition, evidence suggests that fruit consumption and physical activity can accelerate risk reduction.
Lung cancer has a poor prognosis and is the leading cause of cancer. dead in Australia. This year, about 12,750 Australians will probably be diagnosed and about 9,200 people will die.
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The study showed that if all current smokers were to quit, then 54% of lung cancers could be prevented in 50 years and 18% in 20 years.
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The lead author, Dr. Maarit Laaksonen, stated that this study is the first to demonstrate that men smoke more than women.
Overall, 78% of lung cancers former smokers. Of these, men contribute 84% and women 71%.
Researcher at the Center for Mbad Data Research in Health at the University of New South Wales, this study shows that on average, smoking increases the risk of lung cancer. 17 times
For heavy smokers, it is 24 times and for moderately light smokers about 13 times
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But the mere fact of reducing smoking to less than one pack a day can reduce the burden of smoking by 8% over time.
Tobacco smoke contains 70 cancer-related chemicals. The latest figures show that in 2016, about 1 in 8 Australian smoked daily while 6 out of 10 had never smoked.
Published in the International Journal of Epidemiology, the study showed that the largest reduction in all people who currently smoke less than 20 cigarettes a day had to quit smoking because they represent the most large group of smokers.
About 80% of current smokers smoke less than one pack a day.
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Based on significant data from 370,000 participants, the study evaluated the difference in lung cancer burden between subgroups of population and the burden attributable to smoking found was proportionally higher under 75 years old.
Singles, those with a low level of education and those living in remote areas of Australia.
According to Dr. Laaksonen, inadequate consumption of fruit (less than two servings a day) and physical inactivity are obvious signs of increased risk of lung cancer. While smoking has been declining continuously over the last 25 years, fruit intake and physical activity have increased.
"If causal, we estimate that a low fruit intake contributes to 8% and 16% inactivity to future Australian lung cancer"
She says current and former smokers with Insufficient levels of one or the other, have a higher burden of lung cancer and the more to gain from the health promotion ac
The State of Victoria has the most One of the lowest smoking rates in the world and announced Thursday an ambitious plan to reduce daily smoking rates to 5% by 2025.
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