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Don't Know About The Importance of D3?: Start with these basics:
At every first psychiatric interview, especially here in the middle of northern hemisphere winter, especially in the Northern US, Canada, Alaska, Russia, the Scandinavian Countries, and in China, – and if you or your client is African American always ask the SAD/Seasonal Affective Disorder question:
Do you become more depressed starting in the fall, around Halloween or Thanksgiving here in the US? Does it last until spring? Have you been chalking it up to the Holiday Blues?
I read about SAD for years, and yet didn't know about Vit D3. Vit D3 is easily to measure in the laboratory, useful, and is attended by multiple specific peer reviewed literature. I first wrote about SAD and D3 Deficiency here at CorePsychBlog almost 2 years ago, and find the medical community has become much more informed since that first article.
D3 is different than D2, and we should all know about those treatment implications. See this video by Cannell and the differences between D2 and D3 here on this CorePsych Blog post.
Download: The Use of Vitamin D in Clinical Practice Download UseofVitDinClinicalPractice
– is a new, excellent 15 page White Paper that includes a meta-analysis of 18 randomized control trials, and deals with everything from medical to legal implications of prompt diagnosis and adequate treatment of Vit D deficiency – with implications for “most of the diseases of civilization.” I have it loaded as well on my Useful References page here at CorePsychBlog with another Vit D overview article by the same lead author: JJ Cannell MD.
– Strongly recommended for your winter thinking!