Longevity & Aging
Norwegian 4x4 Protocol Makes Hearts 20 Years Younger in Landmark Study
Scientists discovered a specific workout protocol that reverses heart aging by up to 20 years in middle-aged adults.
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Mar 28, 2026 0
2 articles
Scientists discovered a specific workout protocol that reverses heart aging by up to 20 years in middle-aged adults.
New research shows brief sprint intervals deliver massive hormonal benefits that outperform 45 minutes of traditional cardio.