Or it might improve the condition: https://pubmed.ncbi.nlm.nih.gov/29447107/ https://pubmed.ncbi.nlm.nih.gov/29447107/ Vitamin D status and risk of dementia a

Or it might improve the condition: https://pubmed.ncbi.nlm.nih.gov/29447107/ https://pubmed.ncbi.nlm.nih.gov/29447107/ Vitamin D status and risk of dementia and Alzheimer's disease: A meta-analysis of dose-response Science is hard, and effect sizes matter.