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The initial dopamine surge is followed by a compensatory downregulation, leaving dopamine levels below baseline for extended periods
People with ulcerative colitis, persistent diarrhea, and poor appetite may also require thiamin
b12deficiency.info/ B12 books I found useful "What You Need to Know About Pernicious Anaemia and Vitamin B12 Deficiency" by Martyn Hooper Martyn Hooper is the chair of PAS (Pernicious Anaemia Society)
It is often used by diabetics who are treating low blood sugar levels in some cases
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