The Human Upgrade: Biohacking for Longevity & Performance

Master Stress in 10 Seconds with THIS Heartbeat Technique : 1354

195 snips
Oct 30, 2025
Rollin McCraty, Ph.D., is the Director of Research at the HeartMath Institute, specializing in heart-brain coherence and stress regulation. He shares fascinating insights on how heart rate variability (HRV) influences performance and emotional well-being. Discover the benefits of coherence training for resilience and cognitive sharpness, and learn practical heart-focused breathing techniques. They also discuss the surprising effects of Earth's geomagnetic rhythms on our physiology and emotional states, highlighting the interconnectedness of nature and human health.
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INSIGHT

HRV Is Rhythm, Not Average

  • Heart rate variability (HRV) measures the beat-to-beat timing variation, not average heart rate.
  • Greater variability signals resilience and better self-regulation, while low variability correlates with poor performance and aging.
INSIGHT

Coherence Beats Raw HRV Amplitude

  • Coherence means coordinated, stable rhythms across body systems, not merely large HRV numbers.
  • Choppy, high-amplitude HRV indicates dysfunction despite high variability magnitude.
INSIGHT

Wearables Often Miss Coherence

  • Common consumer wearables often measure RMSSD and capture only one HRV component, missing rhythm stability.
  • Training-focused sensors measure rhythm coherence and provide real-time feedback for learning.
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