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◆New pooled analysis: 1.6 g/kg protein is the real muscle ceiling◆FORGE Lab: 9 running shoes tested across 400 miles◆Sleep restriction study — strength holds for exactly three days◆Coronary calcium scoring now covered by more insurers in 2025◆Creatine and cognition: the sleep-deprivation finding, explained◆The 12-week engine rebuild added 11.4% VO2 max with no strength loss◆New pooled analysis: 1.6 g/kg protein is the real muscle ceiling◆FORGE Lab: 9 running shoes tested across 400 miles◆Sleep restriction study — strength holds for exactly three days◆Coronary calcium scoring now covered by more insurers in 2025◆Creatine and cognition: the sleep-deprivation finding, explained◆The 12-week engine rebuild added 11.4% VO2 max with no strength loss
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Heart, hormones, sleep and the check-ups that catch the quiet stuff before it gets loud.

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VO2 Max Is the Number Your Doctor Should Be Testing

Lead story

VO2 Max Is the Number Your Doctor Should Be Testing

Cardiorespiratory fitness outperforms blood pressure, smoking and BMI as a mortality predictor. Here is how to measure yours without a lab coat.

11 min 176.5K