MediNewsDigest: Another feather in Vitamin D’s cap, see the Neurology article. This about a study in France about women 85+. Note that the concern is about deficiency. Supplementing beyond deficiency is not the topic here.
What constitutes deficiency is debated, here is the link to the the vitamin D entry at Linus Pauling Institute from Oregon U. with their recommendations. Note the age/daily intake relationship