A part of Nurses' Health Study shows how quickly women can get back their health after quitting smoking and decrease mortality rates associated with smoking-related illnesses.
The study examined the data of 100000 women during 22 years. This part of the study aims at comparing the rates of smoking-related illnesses for those who never smoked, who quited smoking, and who still smoke.
Data showed that that most of the illnesses recover after quitting smoking, but the time for recovering and getting health back varies for diseases. The most quickly recovering illness is heart disease. Women who quit have 21% lower risk for developing coronary heart disease in 5 years after quitting. Women who quit have lower risk for developing chronic obstructive pulmonary disease in 20 years after quitting.
Lung cancer damage does not recover within 30 years after quitting in the most cases. However, there is some 21% decline in risk after 5 years of quitting, compared to those still smoking.
Colon cancer risk is 63% higher for smokers and 23% higher for those who have given up compared to those who never smoked. Ovarian cancer is not significantly linked to smoking. Women who started smoking earlier have higher risk of dying from smoking-related illnesses and respiratory diseases.
Smokers mortality risk comes to normal level about 20 years after quitting, the risk starts declining after 5 years of quitting by 13%.
There have been lots of studies linking smoking to lung cancer and men's health. This study looks especially at women's health and urges the importance of quitting smoking. All these figures are just the scientific point of the study, but the main point of the study is to explain how killing smoking is and how urgent quitting is.
Figures from World Health Organization report show smoking is the main cause of deaths in US among preventable causes. About 3 million are estimated to die in 2030 from smoking-related illnesses in developed countries and about 10 million in developing countries. The figures show how health threatening smoking is and that is never late to quit. -- HULIQ
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