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  "path": "/story/vo2-max-4",
  "publishedAt": "2026-03-07T17:53:00.000Z",
  "site": "https://www.gq.com",
  "tags": [
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  "textContent": "High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.",
  "title": "Experts Say VO2 Max Is the Most Important Health Metric—But Just How Do You Improve It?"
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