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. 2025 May:115:105723.
doi: 10.1016/j.ebiom.2025.105723. Epub 2025 Apr 24.

Adherence to life's essential 8 is associated with delayed white matter aging

Affiliations

Adherence to life's essential 8 is associated with delayed white matter aging

Li Feng et al. EBioMedicine. 2025 May.

Abstract

Background: The American Heart Association introduced Life's Essential 8 (LE8) to promote cardiovascular health and longevity. However, its impact on brain ageing and interactions with genetic risk factors of dementia, such as APOE4, remains unclear. This study investigates the relationship between LE8 and white matter brain ageing and evaluates the moderating effects of the APOE4 allele.

Methods: This cross-sectional study utilized data from the UK Biobank, including genetic, neuroimaging, and health-related data from touchscreen questionnaires, physical examinations, and biological samples. Participants were non-pregnant whites with LE8 variables, diffusion tensor imaging (DTI) data, and APOE4 genetic information available, excluding those with extreme white matter hyperintensities. Regional fractional anisotropy measures from DTI data were used to predict white matter brain age via random forest regression. The white matter brain age gap (BAG) was calculated by subtracting chronological age from predicted brain age.

Findings: The analysis included 18,817 participants (9430 women and 9387 men; mean age 55.45 years [SD: 7.46]). Higher LE8 scores were associated with a lower white matter BAG, indicating delayed brain ageing. The effect was more pronounced in non-APOE4 carriers (124 days younger per 10-point increase, 95% CI: 102-146 days; p < 0.001) compared to APOE4 carriers (84 days younger per 10-point increase, 95% CI: 47-120 days; p < 0.001). Potential interaction between APOE4 and LE8 on brain ageing was observed for some age and sex groups but with only borderline significance, further investigation in larger and more targeted studies is needed to validate the finding.

Interpretation: Adherence to LE8 is associated with delayed brain ageing, with genetic factors such as APOE4 potentially moderating this effect in specific age and sex groups. The overall benefit from a healthier lifestyle in individuals' brain ageing across genetic, sex, and age groups underscore the importance and broad applicability of behavioural lifestyle interventions in promoting brain health.

Funding: US National Institute of Health, University of Maryland, Montgomery County of Maryland.

Keywords: APOE4; Brain age gap; Life’s essential 8; Machine learning; White matter.

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Conflict of interest statement

Declaration of interests None.

Figures

Fig. 1
Fig. 1
Directed acyclic graph (DAG): Illustrating the association between life’s essential 8 (LE8) and white matter brain age gap (WM BAG), controlling for confounders and modulated by the effect of APOE4 genotype.
Fig. 2
Fig. 2
Flow chart of participants selection and data processing procedures. Flowchart of our analysis procedures and the number of subjects included at each step of the analysis. It details three key analytical processes: (1) Utilizing a machine learning model to estimate age bias-corrected white matter (WM) brain age gap (BAG) (shown in grey); (2) Analysing the linear relationship between Life’s Essential 8 (LE8) and WM BAG (highlighted in pink); (3) Analysing the main effect of APOE4 carriers on WM BAG (highlighted in yellow); and (4) Assessing APOE4 (gene) by LE8 (environment) interaction on WM BAG as the primary analysis (indicated in green).
Fig. 3
Fig. 3
Forest plot of the effect sizes with 95% confidence intervals for joint and individual life’s essential 8 (LE8) scores on white matter brain age gap (BAG) in models 2 and 3. Model 2: model 1+ education, Townsend deprivation index, moderate drink, sedentary behaviour, social connection. Model 3: model 2+ medical conditions (hypertension, cardiovascular disease, cancer, brain diseases). BMI: body mass index. BP: blood pressure.
Fig. 4
Fig. 4
Interaction effects of APOE4 and Life’s Essential 8 (LE8) scores on white matter (WM) brain age gap (BAG) across different age and sex groups. The graphs present both unadjusted p-values and FDR-adjusted p-values (Benjamini-Hochberg correction) for testing the interaction between LE8 and APOE4. Additionally, the regression effects of LE8 on WM BAG are shown separately for APOE4 carriers and non-carriers at the bottom of each section (β coefficients are derived from models adjusted for age, education, Townsend Deprivation Index, moderate alcohol consumption, sedentary behaviour, social connections, and medical conditions). Statistical significance is denoted as follows: NS (non-significant), ∗ (Adjusted p < 0.05), ∗∗ (Adjusted p < 0.01), and ∗∗∗ (Adjusted p < 0.001).

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References

    1. Lloyd-Jones D.M., Allen N.B., Anderson C.A.M., et al. Life’s essential 8: updating and enhancing the American Heart association’s construct of cardiovascular health: a presidential advisory from the American Heart association. Circulation. 2022;146(5):e18–e43. - PMC - PubMed
    1. Zhou R., Chen H.W., Li F.R., Zhong Q., Huang Y.N., Wu X.B. “Life’s essential 8” cardiovascular health and dementia risk, cognition, and neuroimaging markers of brain health. J Am Med Dir Assoc. 2023;24(11):1791–1797. - PubMed
    1. Dintica C.S., Jiang X., Launer L.J., Bryan R.N., Yaffe K. Life’s Essential 8 and midlife trajectories in cognition and brain health: the CARDIA study. Alzheimers Dement. 2024 doi: 10.1002/alz.14464. Online ahead of print. - DOI - PMC - PubMed
    1. Liang K., Zhang X. Association between Life’s Essential 8 and cognitive function: insights from NHANES 2011-2014. Front Aging Neurosci. 2024;16 - PMC - PubMed
    1. Zhu H., Hei B., Zhou W., et al. Association between Life’s Essential 8 and cognitive function among older adults in the United States. Sci Rep. 2024;14(1) - PMC - PubMed

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