Dr. Benjamin Levine: How Exercise Prevents & Reverses Heart Aging
While extreme endurance training may increase coronary calcium and atrial fibrillation risk, moderate-to-vigorous activity significantly reduces mortality risk and can reverse sedentary aging effects if started before agsummaryCardiovascular aging (stiffening and shrinking) begins in late middle age (50-65); training for two years at the right dose can reverse these effects in this demographic, but not after age 70.takeawayHigh-intensity interval training (like the Norwegian 4x4 protocol) is more effective for improving aerobic power than moderate intensity, but moderate intensity is safer and easier to sustain.takeaway














