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Breathing and autonomic nervous system regulation

Review demonstrating breathing practices regulate autonomic balance, with slow breathing (4-6/min) optimizing heart rate variability and baroreflex sensitivity.

Autonomic Regulation

  • HRV: 20-40% improvement
  • Baroreflex sensitivity: 15-25% increase
  • Sympathetic activity: reduced

Optimal Breathing Rate

4-6 breaths/min for maximum autonomic benefit.

Outcomes

  • autonomic-regulation
    Slow breathing at 6 breaths/min increases baroreflex sensitivity and heart rate variability through vagal activation
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