… Fuzzy mindedness could signal a vitamin or hormone deficiency, especially if you're also feeling unusually tired. For example, hypothyroidism – too-low levels of thyroid hormone – could be to blame, says Robert Orford, MD, consultant at the Mayo Clinic's Preventive Medicine Division in Scottsdale, AZ. "If there's a deficiency in thyroid hormone, metabolism slows, which reduces blood flow and cellular function in various parts of the brain," Dr. Orford says.
MSN.com, by Gini Kopecky 12/2011
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Tags: Mayo Clinic Arizona, MD, Preventive Medicine, Robert Orford