Health
Zone 2 Training for Longevity: What 2026 Research Shows
Zone 2 cardio has been called the longevity exercise. But a 2025 narrative review challenges whether it's actually optimal. Here's what the latest evidence says.
Dash Hartwell·
Zone 2 Training
Health
Zone 2 Training: The Metabolic Sweet Spot for Longevity
Low-intensity cardio that feels easy produces profound metabolic benefits. Zone 2 training improves mitochondrial function, fat oxidation, and longevity markers.
Dash Hartwell·