Professor of the Practice of Law University of Denver Sturm College of Law

Vitamin D & Brain Health

A 2014 study concluded that Vitamin D deficiency is associated with smaller overall brain volumes. 

Recent research used data from 427,690 participants, age 40-69, in the UK Biobank to examine Vitamin D’s association with dementia and stroke.  Brain imaging data for 33,523 participants was included in this study.

Researchers found a causal association between Vitamin D deficiency and risk of dementia at the 10-year follow up with participants.  Those participants with the lowest Vitamin D levels had the greatest dementia risk.

Takeaway:  Identifying and treating Vitamin D deficiency is important to brain health and lowering the risk of dementia.

Well-being is a journey, not a quick fix


Elina Hypponen, et al., Vitamin D and Brain Health: An Observational and Mendelian Randomization Study, American Journal of Clinical Nutrition, Apr. 22, 2022, Vitamin D and brain health: an observational and Mendelian randomization study | The American Journal of Clinical Nutrition | Oxford Academic (

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