Peer-reviewed study
Fitness matters even when body weight is imperfect
Cardiorespiratory fitness, body mass index and mortality: a systematic review and meta-analysis
Source details
PubMed-linked study details.
- Authors
- Weeldreyer et al.
- Journal
- British Journal of Sports Medicine. 2025.
- Identifiers
- PMID 39537313 · DOI 10.1136/bjsports-2024-108748
Claim guardrail
What this page should prevent.
Do not use this to dismiss body composition, medical risk, or clinician advice. Fitness and weight both need context.
Geebs coaching takeaway
The study only matters if it changes a behavior.
Do not make health improvement depend only on scale weight. Improving fitness capacity is a real target while body composition changes.
Content angles
Safe ways to translate it.
Get fitter while you get leaner
The scale is not the only health signal
Conditioning is worth training
Exact answer pages
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