Low LDL-C Levels Linked to Reduced Risk for Dementia
By Elana Gotkine HealthDay Reporter
WEDNESDAY, April 9, 2025 -- Low low-density lipoprotein cholesterol (LDL-C) levels are associated with a reduced risk for dementia, including Alzheimer disease-related dementia (ADRD), according to a study published online April 1 in the Journal of Neurology, Neurosurgery & Psychiatry.
Minwoo Lee, M.D., Ph.D., from Hallym University College of Medicine in Anyang, South Korea, and colleagues examined the association between low LDL-C levels and the risk for dementia and assessed the influence of statin therapy in a retrospective analysis of data from 11 university hospitals participating in the Observational Medical Outcomes Partnership Common Data Model. A primary analysis cohort of 108,980 propensity score-matched patients compared individuals with LDL-C levels less than 70 mg/dL to those with levels greater than 130 mg/dL.
The researchers found a 26 percent reduction in the risk for all-cause dementia and a 28 percent reduction in the risk for ADRD in association with LDL-C levels below 70 mg/dL versus greater than 130 mg/dL. An 18 percent risk reduction for both outcomes was seen for LDL-C levels below 55 mg/dL. Statin use versus nonuse was associated with a 13 and 12 percent reduction in the risks for all-cause dementia and ADRD, respectively.
"These findings underscore the crucial role of managing LDL-C in lowering dementia risk and highlight the importance of targeted strategies in addressing cardiovascular and cognitive health outcomes by physicians," the authors write.
Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.
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Posted April 2025
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