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  October 6, 2026

  Will a Week of Business Travel Ruin Your VO2 Max? The Minimum-Dose Plan That Protects Cardio Fitness

  Jeff Emblen

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  September 29, 2026

  Can 3 Minutes of Hard Exercise Beat 90 Minutes? What the New Study Really Means

  Jeff Emblen

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  August 24, 2024

  Training Intensity: How Hard Should You Work Out?

  Jeff Emblen