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Title: This book should be on everyone's book shelf!
Review: I worked up my vitamin program according to the questionnaire, and I was surprised to find my headaches and brain fog disappear, along with some other symptoms that I had been experiencing because of a chronic illness; so there is still a great wealth of information in this book even though it was written many years ago. It would be awesome if Dr. Colgan would publish an up to date version with all of the new scientific advances in nutrition, but I had read quite of few of his other books before this one, and I would still recommend this one to everyone, all of his books complement each other in my opinion, as far as gaining new knowledge and advances in nutritional science.
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