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    <title>The Optimal Journal</title>
    <link>https://beoptimal.ca/journal</link>
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    <description>Practical guidance on prevention, nutrition, and longevity from the clinicians at Optimal.</description>
    <language>en-CA</language>
    <copyright>Optimal Health</copyright>
    <lastBuildDate>Wed, 19 Aug 2026 12:00:00 GMT</lastBuildDate>
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      <title>What is VO2max and why does it matter for longevity?</title>
      <link>https://beoptimal.ca/journal/vo2max-and-longevity</link>
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      <pubDate>Wed, 19 Aug 2026 12:00:00 GMT</pubDate>
      <category>Longevity</category>
      <description>An overview of the physiology and training approach for optimizing this key fitness metric.</description>
      <content:encoded><![CDATA[<p><img src="https://beoptimal.ca/images/journal/vo2max-hero.webp" alt="A coach reading live metabolic data on a tablet while a client walks on a treadmill wearing a VO2 mask" /></p><p><strong>An overview of the physiology and training approach for optimizing this key fitness metric.</strong></p><p>This is a companion post to a 1:1 interview we had with Geoff Girvitz in 2024 about cardiorespiratory fitness and VO2 max. We now offer standalone VO2max testing at our Barrie clinic, and wanted to provide an overview of why…</p><p><a href="https://beoptimal.ca/journal/vo2max-and-longevity">Read the full article</a> (7 min read)</p>]]></content:encoded>
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