Zone 2 vs. HIIT: The Science of Cardio, VO2 Max, and Longevity
While low-intensity Zone 2 cardio has become the reigning trend for longevity, exercise scientists emphasize that high-intensity intervals remain crucial for maximizing lifespan.
By Factlen Editorial Team
Metabolic Base Builders 35%High-Intensity Advocates 35%Clinical Longevity Specialists 30%
- Metabolic Base Builders
- Advocates for high-volume, low-intensity training to optimize cellular health and fat oxidation.
- High-Intensity Advocates
- Researchers emphasizing that vigorous effort is required to maximize fitness gains and mitochondrial growth.
- Clinical Longevity Specialists
- Medical professionals who view VO2 max as a critical vital sign and prescribe a balanced, polarized approach.
What's not represented
- · Strength Training Advocates
- · Recreational Athletes
Why this matters
Cardiovascular fitness is one of the strongest predictors of how long and how well you will live. Understanding the specific cellular benefits of different exercise intensities allows you to build a routine that prevents disease and maximizes your healthspan.
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