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HRV biofeedback and stress reduction
RCT showing HRV biofeedback training (5 weeks) increases resting HRV and reduces self-reported stress and anxiety in healthy adults.
Biofeedback Protocol
- 5 weeks, 20 min daily practice
- Resonance frequency breathing (4-7 breaths/min)
- 40% increase in HRV achieved
Clinical Outcomes
Significant reductions in anxiety, depression, and perceived stress scores.
Outcomes
- Heart Rate Variability15ms (RMSSD)