# Obesity linked to up to 27% lower risk of death in dementia

Source: [Health & Medicine News -- ScienceDaily](https://www.sciencedaily.com/releases/2026/11/261109205401.htm) · 2026-11-11 · Medicine
Page: https://themorning.science/story/obesity-linked-to-up-to-27-lower-risk-of-death-in-dementia-411dd4be45022ac4
Kind: research · Impact: medium

## In brief

- A study of more than 4,500 older adults found that people who were overweight or obese when diagnosed with dementia had a 16% to 27% lower risk of death than those at a normal weight.
- Researchers suspect extra energy and muscle reserves may help these patients survive, but this is a hypothesis rather than a established cause.

## Why it matters

The finding challenges the assumption that higher body weight is uniformly harmful for people with dementia, which may matter for how clinicians interpret weight and prognosis in this group.

## Coverage

- [Obesity linked to up to 27% lower risk of death in dementia](https://www.sciencedaily.com/releases/2026/11/261109205401.htm) — Health & Medicine News -- ScienceDaily, 2026-11-11

Tags: dementia, obesity, mortality, aging, epidemiology

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science