Rhonda Patrick: Cardiologists Found a Workout That Makes Your Heart Younger By 20 Years

ByLongevity Notes Editorial
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Peer-Reviewed Research
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Rhonda Patrick

Video Summary · June 24, 2026

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Key Takeaways

  • Do the Norwegian 4×4 protocol (4-minute high-intensity intervals x 4 sets) to improve VO2 Max and reverse heart aging.
  • Start gradually if sedentary – even brisk walking can count as “high intensity” initially.
  • Train VO2 Max 1-2x/week (study peaked at twice weekly then maintained at once weekly).
  • Measure VO2 Max via the Cooper Test (12-minute flat-track run at max effort) or lab testing.
  • Combine with strength training – the successful protocol included both cardio and resistance work.

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Notable Quotes

“These 50-year-olds essentially reversed the aging of their heart by 20 years… their hearts looked like 30-year-olds after two years of this.”

Bottom Line

Do high-intensity interval training (specifically Norwegian 4×4) 1-2x weekly to dramatically improve heart health and VO2 Max – even starting in middle age can reverse decades of cardiac aging.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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