Exercise doesn't just strengthen your heart. It rewires it

Researchers at the University of Bristol have discovered that moderate aerobic exercise physically reshapes the nerves that regulate heart function. The study found that these changes occur differently on the left and right sides of the body, potentially offering new pathways for treating heart conditions.
Why it matters
Understanding the neurological impact of exercise on the heart could lead to more precise medical treatments for arrhythmias and stress-related cardiac issues.
Exercise does more than make the heart stronger. New research suggests it also physically reshapes the nerves that control the heart, revealing an unexpected difference between the left and right sides of the body.
Scientists at the University of Bristol (UK) discovered that moderate aerobic exercise changes the structure of nerve cells involved in regulating heart activity. Even more surprisingly, the changes were dramatically different on the two sides of the body. The findings, published in Autonomic Neuroscience , could eventually help doctors develop more precise treatments for irregular heartbeats, chest pain, angina, and stress-induced 'broken-heart' syndrome.
The discovery was made in rats, so further research is needed to determine whether the same changes occur in humans. Nevertheless, it offers a new perspective on how physical activity influences the nervous system that keeps the heart functioning.
Exercise Changes the Heart's Hidden Control System
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