Low vitamin D is a huge issue for lots of reasons. This information comes from this thread
http://her2support.org/vbulletin/showthread.php?t=43711
in case you have not seen it.
Two telling excepts from scientific papers
"More than half of North American women receiving therapy to treat or prevent osteoporosis have vitamin D inadequacy, underscoring the need for improved physician and public education regarding optimization of vitamin D status in this population."
http://jcem.endojournals.org/cgi/con...ract/90/6/3215
"These findings show that free-living elderly Europeans, regardless of geographical location, are at substantial risk of inadequate vitamin D status during winter and that dietary enrichment or supplementation with vitamin D should be seriously considered during this season."
http://grande.nal.usda.gov/ibids/ind...&therow=110910
(-: Some Must Watch University of California TV videos (-:
Pass them on please (-:
This is a passionate understandable very punchy slightly acerbic lecture to doctors by Dr Holick, a man ahead of his time, an expert in the vitamin D field, and someone who bravely stuck to his science through the dark days despite wide opposition and ridicule, and now thanks to his grit and the determined work of others Vitamin D is on the agenda.
Dr Holick - D-Lightful Vitamin D: Bone & Muscle Health and Prevention of Autoimmune and Chronic Diseases
http://www.uctv.tv/search-details.aspx?showID=15773
Other fascinating UCLA lectures
Vitamin D Prevents Cancer: Is It True?
http://www.uctv.tv/search-details.aspx?showID=16940
Skin Cancer/Sunscreen - the Dilemma
http://www.uctv.tv/search-details.aspx?showID=15770
Dose-Response of Vitamin D and a Mechanism for Cancer Prevention
http://www.uctv.tv/search-details.aspx?showID=15767
Vitamin D & Cardiovascular Disease- New Frontiers for Prevention
http://www.uctv.tv/search-details.aspx?showID=15772