IEveryone knows that exercising is good for your heart, so the recent news that over-exercising can block your arteries can come as a shock to many.
NS Study, Which was In encompassing manner Reported in the media, it was found that very active people have higher coronary artery calcium (CAC) scores than less active people. The CAC score measures the amount of calcium in the walls of the coronary arteries – the arteries that supply blood, and therefore oxygen, to the heart muscle.
An increase of calcium in the coronary arteries can increase a person’s risk of a heart attack because the presence of calcium in the coronary arteries is a sign that plaque may also build up, known as atherosclerosis. Plaque build-up is usually the result of an unhealthy lifestyle, such as smoking, drinking alcohol, being overweight and not getting enough exercise. That’s why doctors often use the CAC score to identify people at risk for heart disease.
Researchers from the University School of Medicine in South Korea and the Johns Hopkins Bloomberg School of Public Health in the US measured coronary artery calcium intakes of more than 25,000 healthy adults (predominantly male) aged 30 years and older between March 2011 and December 2017. analysed. The participants underwent two comprehensive investigations to monitor changes in their coronary arteries during the study period.
The researchers wanted to find out whether there was a link between physical activity and an increase in coronary artery calcification.
All study participants completed a questionnaire to identify how much exercise they did each week. Nearly half of the participants (47 percent) were classified as inactive, 38 percent as being moderately active and 15 percent as highly active (the equivalent of running 6.5 km a day). was classified in.
Those who were more physically active were older and less likely to smoke than the less physically active participants.
Scans performed at the start of the study showed an average CAC score of 9.5 in the inactive group, 10.2 in the moderately active group, and 12 in the highly active group. At the end of the study period, those who were moderately and intensely active saw an increase in average scores from 3 to 8. Therefore moderate and intense exercise increases the build-up of calcium deposits in the arteries.
The benefits of exercise are undeniable
However, the researchers did not find a link between high coronary artery calcium scores due to exercise and cardiovascular “events,” such as heart attack or stroke. Therefore Headlines Those who claim that exercise “increases heart attack risk” are both false and dangerous. Indeed, the researchers caution against such an interpretation. They conclude: “The cardiovascular benefits of physical activity are undeniable.”
The health benefits of exercise are significant, with higher levels of exercise being associated with a lower risk of heart disease and premature death. This suggests that while exercise may increase the CAC score, it also reduces the risk of heart disease, such as heart attack and stroke. The benefits of exercise far outweigh the risks. And people should aim to get at least 150 minutes of moderate-intensity exercise or 75 minutes of vigorous-intensity exercise a week.
Interestingly, the increased density of calcium within the coronary arteries caused by exercise may be protective because it reduces the likelihood of plaque rupture within the arteries, causing a heart attack. so doctors should be Attention When interpreting the CAC scores of healthy people.
Matthew Farrow is a lecturer in anatomy and musculoskeletal science at the University of Bradford. This article first appeared on Conversation
Credit: www.independent.co.uk /