The fact that smoking cigarettes can seriously harm the heart and brain has been known for a long time. Now, researchers from South Korea have found out how long it takes for the cardiovascular system of a former smoker to become the same as a non-smoker. In a study, it turned out that it takes 25 years for the heart and blood vessels to recover to the state of those who have never smoked. At the same time, those who smoked for more than 8 years and quit have the same risk of heart attack or stroke as those who still smoke. However, there are nuances. So, if a person smoked little, the risks decreased relatively quickly. For heavy smokers, the process takes much longer. "In long-term former ... [Read more]