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·
Cardio
4 articles
Health
Interval Walking: Why the 3-Minute Method Outperforms Steady Cardio
Japanese researchers discovered that alternating fast and slow walking for 3-minute intervals delivers superior fitness gains compared to walking at a constant pace.
Dash Hartwell·
Health
The 12-3-30 Workout Now Has Research Behind It: Here's What It Actually Shows
The viral TikTok treadmill trend burns more fat than running, but the real findings are more nuanced than the headlines suggest.
Dash Hartwell·
Health
Zone 2 Cardio: How to Find Your Metabolic Sweet Spot
Elite athletes spend 80% of their training in Zone 2 for good reason. Learn why the 'easy' pace builds the metabolic engine that powers everything else.
Dash Hartwell·