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8 clinically reviewed articles, written and peer-reviewed by the HealthRX.com Medical Team.
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Showing 8 of 8 clinical reviews.
Learn how to measure VO2 max and Watt test fitness at home or with a finger-prick test, what the normal ranges mean, and what optimal cardiorespiratory fitness looks like for longevity.
Read clinical reviewUnderstand what your VO2 max score means at every age decade, from your 20s through your 70s and beyond, with reference ranges, longevity thresholds, and clinical guidance on how to improve it.
Read clinical reviewWhat VO2 max score do you actually need for a long, healthy life? This clinician-reviewed guide covers longevity-medicine target ranges, how the Watt test works, sex- and age-specific benchmarks, and the exercise prescriptions that move the needle.
Read clinical reviewHow to read your VO2 max trajectory over time: what rate of change is normal, what signals decline, and what clinical thresholds predict longevity outcomes. Reviewed by the HealthRX medical team.
Read clinical reviewA clinician-reviewed guide to medication-driven changes in Watt test and VO2 max results, covering GLP-1 agonists, beta-blockers, TRT, and more, with normal ranges, target values, and evidence-based optimization strategies.
Read clinical reviewHow pre-test nutrition, carbohydrate loading, fasting, and daily diet affect Watt test and VO2 max results. Includes normal ranges, optimal targets, and clinical evidence.
Read clinical reviewHow sex hormones and the menstrual cycle affect Watt test and VO2 max results, what the normal ranges are, and how to interpret your cardiorespiratory fitness score for longevity.
Read clinical reviewHow training changes your VO2 max, what the optimal range looks like by age and sex, and which exercise protocols produce the largest gains. Evidence-based guidance from the HealthRX medical team.
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