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    On the other side of the coin, Vitamin D has been shown to lower the secretion of melatonin which theoretically interferes with sleep. This is a small study but is noteworthy: https://www.ncbi.nlm.nih.gov/pubmed/23665342

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      I wish you might supply us with News Links that are available for public viewing. It is so disappointing to run into firewalls, when here we are supporting your newsletter.

      A humble request!

      Thanks from a big fan, long time viewer via YouTube, and new to your site. (would add that the light blue font and grayed-out font makes for really difficult viewing. Particularly for those over 40/50 years … I am 60.

      We don’t want to brighten our screens to read this stuff in the latter half of the day ; ) THANKS