Key Takeaways

Very hot days can up the death risk for older people battling heart disease or diabetes

A study of California veterans finds that's especially true for the homeless or those living in poorer neighborhoods

The dangers are likely to increase as climate change makes very hot days more common

WEDNESDAY, Nov. 26, 2025 (HealthDay News) — Heatwaves are increasing with climate change, and that could mean more deaths among older people with diabetes or heart disease, new research shows.

The study of U.S. veterans living in California found the largely male cohort vulnerable, especially if they were homeless or living in poorer neighborhoods.

Compared with cooler days, the typical California veteran living in a disadvantaged neighborhood faced a 44% higher odds of dying during a

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