Medical Xpress | Vitamin D Deficiency More Than Doubles Risk of Alzheimer's The Epoch Times Among those who were moderately deficient in vitamin D, for instance, a 53 percent increased risk of general dementia was observed. And specifically for Alzheimer's, those with moderate vitamin D deficiency were found to be 69 percent more likely to ... Vitamin D Deficiency Linked to Dementia, Alzheimer's Disease Entia Biosciences' Supplements Could Prevent Dementia Decline in daily functioning related to decreased brain activity in Alzheimer's |