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Toggle Health Problems and D

D2 vs D3

most think D3 is much better than D2, but there is controversy
Multiple select
see wikipage: http://www.vitamindwiki.com/tiki-index.php?page_id=2184
see wiki page: http://www.vitamindwiki.com/tiki-index.php?page_id=1245
2009 Blog - long discussion with comments
Dr. Holick March 2008
2009 abstract
Natural News Aug 2009
Veith 2006 4 pages