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Results 1 - 1 of 1 for Decreased heart rate variability
  1. Relaxation Techniques: What You Need to Know From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    This fact sheet summarizes research on relaxation techniques for health purposes, such as deep breathing, progressive muscle relaxation, guided imagery, ...
    https://www.nccih.nih.gov/...xation-techniques-what-you-need-to-know - External Health Links