http://articles.mercola.com/sites/articles/archive/2006/12/30/the-depressing-truth-about-vitamin-d-deficiency.aspxScientists evaluated the effects of vitamin D on the mental health of 80 elderly patients, half of whom were stricken with a mild case of Alzheimer's disease and the rest of whom had no problems with dementia. The patients were evaluated using a batteryenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2006/12/30/the-depressing-truth-about-vitamin-d-deficiency.aspx#192308Sun, 03 May 2009 04:06:03 GMT24451277-a5aa-4add-96dc-64081bfd86fa:192308Melaniejane2222<p>How much Vitamin D3 supplement daily is too much?</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=192308" width="1" height="1">