Oct 22, 2024
How too much exercise can harm your heart
Siddhartha JanaExercise is an effective remedy for managing and reducing cardiovascular disease risks, but it should be done in moderation, as excessive exercise can harm the heart.
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The U-shaped relationship between exercise and heart health shows that moderate exercise significantly reduces cardiovascular risk, while extreme exercise may increase it.
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While higher levels of cardiorespiratory fitness lower the risk of coronary heart disease, long-term intense exercise can lead to negative effects like left ventricular hypertrophy and coronary artery calcification.
Source: Canva
Intense exercise, especially in unfit individuals or those at high risk, raises the likelihood of sudden cardiac death, myocardial infarction, and arrhythmias like atrial fibrillation (AF).
Source: Canva
Moderate aerobic exercise for 150 minutes or intense aerobic exercise for 75 minutes weekly can significantly reduce mortality risks, but prolonged intense exercise can have adverse cardiac effects.
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The risk of atrial fibrillation follows a U-shaped pattern, affecting both sedentary individuals and those who engage in extreme daily exercise.
Source: Canva
Even people with chronic cardiac conditions should engage in moderate physical activity, as it offers multiple health benefits without the risks associated with extreme exercise.
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Veteran athletes, despite a higher prevalence of atrial fibrillation, tend to live longer than sedentary individuals, highlighting the importance of balanced exercise for heart health.
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