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Exercise Rewires Heart's 'Autopilot' System
28 Dec
Summary
- Moderate exercise creates distinct nerve control changes on left and right heart sides.
- Study suggests exercise may reprogram heart's nerve control for better treatment.
- Findings based on lab rat research may lead to more precise heart therapies.
Recent scientific findings indicate that regular exercise may go beyond strengthening the heart to actively reprogramming the nerves that govern its rhythm. Research conducted over 10 weeks with lab rats has uncovered a previously unnoticed left-right pattern in the body's autonomic nervous system controlling the heart.
This study, published in Autonomic Neuroscience, observed that moderate exercise leads to differing adaptations in the nerve hubs. The right side developed more nerve cells, while the left side saw existing cells grow larger, suggesting a specialized remodeling process. This side-specific reshaping could be key to understanding treatment efficacy.
While these early-stage results from animal research are promising, further studies are necessary to confirm similar effects in humans. Researchers are keen to explore if these left-right nerve variations can explain why certain heart treatments are more effective on one side, potentially paving the way for personalized cardiac care.
