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Revolutionary 4x4 Workout Reverses Cardiac Aging by 20 Years

6/12/2025

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Summary

Story summary

Dr. Rhonda Patrick champions the Norwegian four-by-four exercise protocol, a groundbreaking method that can turn back the clock on cardiac aging by two decades. This dynamic routine combines four minutes of intense exercise with three minutes of recovery, repeated four times, making it a powerful tool for enhancing heart health and boosting VO2 max, particularly for older adults.

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Story summary

Dr. Rhonda Patrick champions the Norwegian four-by-four exercise protocol, a groundbreaking method that can turn back the clock on cardiac aging by two decades. This dynamic routine combines four minutes of intense exercise with three minutes of recovery, repeated four times, making it a powerful tool for enhancing heart health and boosting VO2 max, particularly for older adults.