Mohammed Ismail – Cairo – Masrawi –
New research has found that the heart of a smoker needs 15 years to fully recover after quitting smoking, according to the site "Russia Today".
Previous studies suggest that stroke risk among previous smokers will stabilize within five years, but the new study suggests it can take up to 3 times the time.
The study, which will be presented next week at the American Heart Conference, is the first of its kind to analyze cases of advanced smoking cessation.
After analyzing 8,700 people over 50 years ago, researchers at the University of Vanderbilt found that the heart of smokers requires more than a decade to get rid of life-threatening harm, including nicotine, tobacco and many other chemicals in cigarettes.
At the same time, Meredith Duncan, a doctoral student at Vanderbilt University Medical Center, said the cardiovascular system is the fastest recovery from the effects of smoking, the lungs are another story.
Duncan and her team in Nashville, Tennessee wanted to explore how long the body should stop smoking to show real health effects.
To investigate, the researchers collected data analyzed by Framingham's Heart Study, which began in 1948 and lasted until 1975, with two generations of people (almost half of whom smoke).
The "smokers" team was classified as people who smoked the equivalent of a pack of cigarettes a day for 20 years. Smokers had a 70% risk of having a heart attack after 5 years, the risk decreased by 38% after quitting smoking.
But it took almost 16 years after retirement, to restore the risk level of cardiovascular disease to the norm.
In fact, blood vessels are the main benefit of quitting smoking, only 20 minutes after a smoker has stopped smoking, drops heart rate and blood pressure returns to normal.
After 12 hours, the levels of carbon monoxide in the blood are stabilized, while the risk of a heart attack decreases after about a week because the cardiovascular system "directs the chemicals in cigarette smoke to make the plates more viscous.
"Even for bad smokers, the benefits of quitting smoking can not be overestimated," Duncan said.
Heart disease is the number one killer in every country in the world, including the US and Britain, while rates are rising due to obesity, stress, lack of physical activity and unhealthy eating meals.
In recent years, some have turned to smoking electronic cigarettes, a dubious and important practice in which it has been shown that the injury to the human body is no different from that of ordinary cigarettes.
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