For example, as NaturalNews previously reported, scientist William B.
Grant, PhD, of the Sunlight, Nutrition, and Health Research Center (SUNARC), is researching a link between a lack of vitamin D and Alzheimer’s disease and other vascular dementias (http://www.naturalnews.com/026392_V…). And now comes word from two new studies that restful sleep and exercise may also play a huge role in prevent
ing cognitive decline.