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Heart’s ‘Little Brain’ Found to Be Essential for Rhythm and Stress Protection
Key Takeaways
- Researchers identified two neuron groups in the heart’s intrinsic nervous system.
- Npy neurons slowed the heart when stimulated and proved essential for survival.
- Ddah1 neurons appeared to protect the heart from fatal electrical instability during acute stress.
- The findings suggest the heart has specialized local neural circuits, not just passive nerve input from the brain.
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DT Editorial Team··via medicalxpress.com