# UK Biobank, 456,862 adults: vascular disease burden tied to higher parkinsonism risk

- Published: 2026-11-14 00:50 UTC
- Section: Life & Health › Medicine
- Tags: parkinsonism risk, multisystem vascular disease, UK Biobank cohort, ischemic heart disease, stroke, chronic kidney disease, retinopathy, neuropathy, Fine–Gray model, genetic risk
- URL: https://realtech.media/news/rt-cdf0588510c8743f68f759cc_uk_biobank_456/

**In a cohort of 456,862 UK Biobank participants, the risk of incident parkinsonism rose with the number of vascular conditions, regardless of genetic risk group.**

![UK Biobank, 456,862 adults: vascular disease burden tied to higher parkinsonism risk](https://realtech.media/media/2026/11/d6e8c826d39ee1c3.jpg)
*bioengineer.org*

A team from Shenzhen Eye Hospital and partner institutions analysed data from 456,862 UK Biobank participants of White ethnicity who had genetic data available and no diagnosed parkinsonism at baseline. According to the paper in npj Parkinson's Disease (doi.org), 2,559 incident parkinsonism cases occurred over a median follow-up of 11.8 years [1]. Vascular parkinsonism was excluded from the outcome. The work is an observational cohort study.

## Which conditions were counted

Multisystem vascular-related disease (MVRD) was defined as any of five conditions: ischemic heart disease, stroke, chronic kidney disease, retinopathy and neuropathy. The authors examined both the presence of any of them and the number of co-occurring conditions [1]. Systemic vascular dysfunction has been linked to parkinsonism before, but prospective data on the cumulative burden of such disease and its relation to genetic susceptibility were limited.

The researchers used Fine–Gray competing-risk models and treated all-cause mortality as the competing event. They report subdistribution hazard ratios (sHR) with 95% confidence intervals.

## Graded association with risk

Any MVRD was associated with a higher risk of parkinsonism: sHR 1.35 (95% CI 1.23–1.48). Each additional MVRD-related condition was associated with sHR 1.30 (95% CI 1.21–1.40) [1].

The association grew with the number of conditions. Compared with none, the sHRs were 1.29 for one condition, 1.73 for two and 2.52 for three or more [1].

The association was seen in both low and high genetic risk groups, and the authors found no evidence of interaction between MVRD and genetic risk. Results remained broadly consistent after excluding cases diagnosed during the first 10 years of follow-up [1].

The authors describe the findings as a graded association between MVRD burden and incident parkinsonism, which adds to the evidence linking vascular health to neurodegeneration. Because the design is observational, the data show association and do not establish a causal relationship.

## Sources

1. [doi.org](https://doi.org/10.1038/s41531-026-01624-0)
2. [bioengineer.org](https://bioengineer.org/multisystem-vascular-conditions-linked-to-higher-incident-parkinsonism-risk-in-cohort-study)

---

Source: RealTech, realtech.media — https://realtech.media/news/rt-cdf0588510c8743f68f759cc_uk_biobank_456/