Breaking Update: Here’s a clear explanation of the latest developments related to Breaking News:Depression and Visual Impairment Raise CVD Risk – EMJ– What Just Happened and why it matters right now.
CARDIOVASCULAR disease (CVD) risk was significantly higher among middle-aged and older Chinese adults with depression, visual impairment (VI), or both, according to new longitudinal cohort data.
CVD, which includes conditions such as coronary heart disease and stroke, remains a leading global cause of morbidity and mortality. Depression and VI are both prevalent in ageing populations and have independently been linked to increased CVD risk through behavioural, inflammatory, and autonomic pathways. However, their combined impact on incident CVD has remained poorly defined.
Depression and Cardiovascular Disease Risk Remained Highest
To address this gap, researchers analysed 18,633 participants aged ≥45 years from the China Health and Retirement Longitudinal Study between 2011–2018. Individuals were categorised into four groups: neither condition (control), depression only, VI only, and both depression and VI. Incident CVD was recorded during follow-up, and hazard ratios (HR) were calculated using fully adjusted Cox regression models.
In the fully adjusted model, all exposure groups showed a significantly elevated risk of CVD compared with controls. Participants with depression alone had the highest risk (HR: 1.60; 95% CI: 1.36–1.89), followed by those with both depression and VI (HR 1.56; 95% CI: 1.40–1.73). VI alone was also associated with increased CVD risk, although to a lesser extent (HR: 1.25; 95% CI: 1.13–1.38).
A significant negative multiplicative interaction was observed between depression and VI (HR for interaction: 0.78; 95% CI: 0.65–0.93; p=0.006), indicating an antagonistic effect. In other words, while co-occurrence increased CVD risk compared with having neither condition, the combined effect did not exceed that of depression alone.
Implications for Screening and Prevention
The findings suggest that depression may play a more dominant role in driving CVD risk than VI in this population. Importantly, the authors highlighted the potential value of routine screening for depressive symptoms in older adults to aid CVD prevention.
The study’s strengths included its large, nationally representative sample and longitudinal design. However, limitations included reliance on self-reported measures and the observational nature of the analysis, which precluded causal inference.
Overall, the results underscored that both depression and VI were independently associated with incident CVD. Integrated approaches that address mental health alongside sensory impairment may represent an important opportunity to reduce CVD burden in ageing populations.
Reference
Zhou Y et al. Combined effects of depression and visual impairment on cardiovascular disease incidence in a Chinese population-based cohort. Sci Rep. 2026; doi:10.1038/s41598-026-41670-5.
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