还有这个2014年的分析资料,Vitamin D过低和老年痴呆有关联
"Vitamin D and the risk of dementia and Alzheimer disease"
Conclusion: Our results confirm that vitamin D deficiency is associated with a substantially increased risk of all-cause dementia and Alzheimer disease. This adds to the ongoing debate about the role of vitamin D in nonskeletal conditions.
http://www.neurology.org/content/early/2014/08/06/WNL.0000000000000755.short