Isa News Sept Oct2007

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Isa News Sept Oct2007

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How much vitamin D? Vitamin D Council's recommendations

Since my recent post on problems related to vitamin D deficiency and excess I received several questions. I have also participated in several discussions in other blogs related to vitamin D in the past few days. There is a lot of consensus about vitamin D deficiency being a problem, but not much about vitamin D in excess being a problem as well. Some bloggers recommend a lot of supplementation, which may be dangerous because: (a) our body evolved to obtain most of its vitamin D from a combination of sunlight exposure and cholesterol, and thus body accumulation regulation mechanisms are not designed to deal with excessive oral supplementation; and (b) vitamin D, like many fat-soluble vitamins, accumulates in fat tissue over time, and is not easily eliminated by the body when in excess. The Vitamin D Council has the following general recommendation regarding supplementation: Take an average of 5,000 IU a day, year-round, if you have some sun exposure. If you have little, or no, sun exp...
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Food is "star stuff"

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Champagne supernova. Credit: Space Daily "If you want to make an apple pie from scratch, you must first invent the universe." When you eat a slice of apple pie, or any pie, or any food at all today, on Carl Sagan Day, it may be worthwhile to reflect on this quote, one of the beloved television series host's most famous from Cosmos: A Personal Voyage. A look back at our origins is a good way to gain some perspective, amidst the accumulating scientific evidence, on how to understand our own biology and predicting ways in which we can keep our own healthy. Or, at least, that has been my conclusion. Starting at the beginning with the chemistry of life , our own evolution , and to that of our close cousins , then on to our current situation , and the future , this blog has explored all sorts of topics relating to diet and health in the past and forthcoming. Over the years, what's evident is that there exist numerous ongoing debates in the world of food, nutrition, and me...
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Faith

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Are you a "Super Souler"?  That's how Oprah affectionately refers to those who watch her Super Soul series on Sunday nights.  Each week she interviews a different thinker, pastor, author, or person who seeks to have a deeper/more meaningful life experience.  She recently had Steven Pressfield on, the author of  The War of Art .  Have you read it?  It was a great conversation about how when we try to go higher or deeper in our lives (be it in our relationships, career, health, parenting, finances, etc.) we will naturally encounter things like resistance, fear, and self-doubt.  But, Steven says, that's when we know we're on the right path.  Two sentences very eloquently written in his book stood out: Whoa.  Is this a lightbulb moment for any of you?  As their conversation continued, Steven shared what I also believe to be true.   Once you commit, and you are on the path to living the life within (the path that resonates with your soul...
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