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Extreme heat linked to increased Parkinson's disease hospitalizations in older adults

"Extreme heat and hospitalization with Parkinson's disease among older adults." — Journal of exposure science & environmental epidemiology, 2026

April 12, 2026by AI Curated

Extreme heat linked to increased Parkinson's disease hospitalizations in older adults

What they found

Nationwide analysis revealed a 1.010 odds ratio for Parkinson's disease hospitalization on extreme heat days (99th vs 50th percentile heat index). This effect persisted for 2 days, with a cumulative odds ratio of 1.022 after 3 days of continuous exposure.

What they studied

Researchers used a time-stratified case-crossover design to study Medicare beneficiaries in the contiguous U.S. hospitalized between 2000 and 2016. They examined daily maximum heat index during warm seasons and its association with Parkinson's disease hospitalizations.

Takeaways

The abstract focuses on the study's findings regarding extreme heat and Parkinson's disease hospitalizations; it does not provide personal how-to steps.

About this paper

This time-stratified case-crossover study analyzed 427,813 Medicare fee-for-service beneficiaries across the contiguous U.S. from 2000-2016. The research focused on the immediate and lagged associations of heat index on hospitalization with Parkinson's disease.

parkinsons diseaseextreme heathospitalizationmedicareepidemiologyclimate changecurated

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