Biological age reversibility and cardiovascular risk in a Chinese cohort
In 4,756 Chinese cohort participants, moving from accelerated to non-accelerated biological age was linked to lower composite cardiovascular disease and stroke risk; heart disease associations weakened after adjustment for comorbidities. [1]
Automatic summary · not editorially reviewed
The key findings
Biological age acceleration was measured at baseline (Wave 1) and follow-up (Wave 3) in 4,756 participants, with Wave 2 excluded from baseline calculations because blood biomarkers were not collected. [1]
Compared with sustained acceleration, moving from accelerated to non-accelerated biological age was associated with lower composite cardiovascular disease risk (hazard ratio 0.72) and lower stroke risk (hazard ratio 0.46). [1]
Associations with heart disease were attenuated after adjustment for comorbidities. [1]
The source at a glance
- Study type / format
- Longitudinal observational cohort study (abstract)
- Population / context
- 4,756 participants of the China Health and Retirement Longitudinal Study
- Summary based on
- Study abstract
- Original publication
- July 2, 2026
Biological age measured twice in 4,756 Chinese adults
The study used 4,756 participants from the China Health and Retirement Longitudinal Study. Biological age was calculated with the Klemera-Doubal method, and biological age acceleration was measured at Wave 1 (baseline) and Wave 3 (follow-up). Wave 2 was excluded from baseline calculations because blood biomarkers were not collected then. From these two measurements the authors derived change groups, clusters, aging rates, cumulative burden and extreme phenotypes. Incident cardiovascular disease, meaning stroke and heart disease, was recorded over a median follow-up of 9.13 years.
Supporting source [1]
Reversing acceleration linked to lower stroke risk
Compared with sustained acceleration, moving from accelerated to non-accelerated biological age was associated with lower risk of composite cardiovascular disease (hazard ratio 0.72, 95% confidence interval 0.59–0.89) and of stroke (hazard ratio 0.46, 95% confidence interval 0.33–0.64). Similar protective associations appeared for high-to-low cluster trajectories. The rapid aging phenotype, defined as staying in the highest quartile, was associated with nearly double the stroke risk (hazard ratio 1.97) compared with the anti-aging group. Faster aging rates of at least 1 were associated with a 32% higher stroke risk, described as a linear dose-response relationship. Associations with heart disease were attenuated after adjustment for comorbidities. These are associations, not proof of cause.
Supporting source [1]
Cox models adjusted; abstract-only scope
The authors used Cox models adjusted for sociodemographic, lifestyle and clinical risk factors. The abstract reports the cohort size, the two measurement waves, the median follow-up and the outcome, but not detailed results for every derived metric. The conclusion recommends integrating longitudinal biological age acceleration profiling into annual primary care check-ups and describes the findings as support for a shift toward predictive, preventive and personalised medicine. Such recommendations go beyond what an observational cohort can establish. This explainer is based on the abstract only; the full text was not reviewed.
Supporting source [1]
How to interpret this
Abstract only; the full text was not reviewed. This is an observational cohort, so the reported associations do not establish that reversing biological age acceleration causes lower cardiovascular or stroke risk. The abstract does not give detailed results for every derived metric.
Based on the study abstract; the full paper, tables and supplementary data were not reviewed.
Source & supporting passages
Wang B, Li Q, Tang X, Niu X, Li H. · europepmc.org · July 2, 2026