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Brazil Study: High Body Roundness Index Triples Depression Risk

4/26/2026

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Summary

Story summary

Researchers at a Brazilian memory clinic evaluated 601 older adults between 2015 and 2024, diagnosing 239 with dementia.
Only the Body Roundness Index (BRI) linked to depressive symptoms, with the highest BRI quartile showing over three times the odds of depression compared with the lowest.
The BRI-depression link remained after adjusting for age, sex, education and health conditions.

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Story summary

Researchers at a Brazilian memory clinic evaluated 601 older adults between 2015 and 2024, diagnosing 239 with dementia.
Only the Body Roundness Index (BRI) linked to depressive symptoms, with the highest BRI quartile showing over three times the odds of depression compared with the lowest.
The BRI-depression link remained after adjusting for age, sex, education and health conditions.