Here’s Why Too Much Exercise Can Be Bad For You
Working out is an effective way of keeping the body in good shape, exercising regularly serves as weight check, prevent diseases and also keep the mind and body in an excellent condition. A major benefit of exercise is that it helps normalize your glucose, insulin, and leptin levels by optimizing insulin and leptin receptor sensitivity. This improves the overall health and preventing chronic disease.
However just like every other activity too much of exercise is also harmful to the body. A major danger of excessive intense exercising is that it can lead to the enlargement of the heart that leads to a cardiovascular problem known as diastolic dysfunction which can lead to heart failure.
A study contained in the Canadian Journal of cardiology have shown that Intense exercises may cause permanent structural changes in the heart. Studies have shown that those who push the limit in exercising activities over the recommended amount appear to possess more calcification in their coronary arteries than people who got a moderate amount of exercise. This measure is thought to be a notable sign of heart disease in general.
Various studies have shown that chronic exercise training and participating in endurance activities can lead to heart damage and rhythm disorders. People with genetic risk factors are more highly vulnerable. Highly tasking long-term endurance routines puts equally extreme demands on the cardiovascular system. Experts found that after finishing extreme running events, athletes’ blood samples contain biomarkers associated with heart damage.
These ‘damage indicators’ ordinarily would usually go away by themselves, however, a reoccurring intense physical activity can temporarily damage or may lead to what is referred to as “remodeling” of the heart or physical changes such as thicker heart walls and scarring of the heart. This can also increase the risk of heart rhythm disorders.
A new study, published in Mayo Clinic Proceedings, studies data collected from almost 3,200 participants taking part in the Coronary Artery Risk Development in Young Adults (CARDIA) study. Participants, who started the study as young adults, reported their physical activity and had physical exams at least three times (and up to eight times) during the 25-year study period.
Physical activity scores were calculated base on the intensity with which each participant exercised. Some participants fell into a group that was short of the recommended 150 minutes/week; another group met the 150 minutes/week; and a third group exercised excessively: 450 minutes/week, or at least three times the recommended amount. Coronary artery calcification (CAC) was measured with CT scans, which is known to be an effective predictor of future heart disease. Participants’ blood fats, fasting glucose and cholesterol were all taken and noted at each point in time.
The team expected to see more exercise linked to less calcification as the participants reached middle age, but this was not what they found. After the data were adjusted for variables that might influence the results (weight, age, and so on), the team discovered that people who exercised three times the recommended amount had a 27% increased risk of developing CAC over the study period.
But it is yet to be known whether the CAC levels in excessive exercisers will be indicative of heart disease to come. According to researcher Jamal Rana “High levels of exercise over time may cause stress in the arteries leading to higher CAC,” “however this plaque buildup might be more stable, and therefore less likely to rupture and causes heart attack, which was not carried out in this study.”
The researching team intends to continue monitoring the participants to see whether those with higher CAC levels will run into more health problems in future. Previously conducted studies have hinted that vigorous work out activities may backfire over the long-term. A study conducted some years ago found that strenuous jogging, as opposed to light-moderate jogging, was linked to an increased risk of death. Others have also found this same U-shaped phenomenon, where low levels of exercise are linked to disease risk, moderate levels reduce it, and high levels seem to increase it.
However Physical activity is still one of the best methods for checking weight, metabolism and healthy blood pressure, and helpful in reducing the risk for chronic diseases like cancer, diabetes and Alzheimer’s disease.
But despite all the health benefit of exercising anything in excess can be harmful to the body, so it is advised that a moderate exercise is still the best prescription for good physical and mental health.
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