Story perspectives

Low Cholesterol Linked to 80% Reduced Dementia Risk

10/19/2025

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Summary

Story summary

A study with more than one million participants from Denmark, England, and Finland finds lifelong low cholesterol may cut dementia risk, up to 80% for some targets.
Led by Dr. Liv Tybjærg Nordestgaard, researchers used genetic variants to mimic cholesterol-lowering drugs.
The findings highlight non-HDL cholesterol as a key target linked to lower dementia rates.
Early cholesterol management is urged to support long-term brain health, with mechanisms remaining under investigation.

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Story summary

A study with more than one million participants from Denmark, England, and Finland finds lifelong low cholesterol may cut dementia risk, up to 80% for some targets.
Led by Dr. Liv Tybjærg Nordestgaard, researchers used genetic variants to mimic cholesterol-lowering drugs.
The findings highlight non-HDL cholesterol as a key target linked to lower dementia rates.
Early cholesterol management is urged to support long-term brain health, with mechanisms remaining under investigation.