Nutrients and Neurology

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Purpose of Review: This article provides an update on the clinical presentation and management of neurologic disease related to key nutrient deficiencies.

Recent Findings: Major advances have been made in understanding the pathway related to vitamin B12 absorption and distribution. It is now known that deficiencies of vitamin B12 and copper have similar neurologic manifestations. Bariatric surgery is a risk factor for both. Alcoholism is just one of the many causes of thiamine deficiency. Early neurologic complications following bariatric surgery are often due to thiamine deficiency. Encephalopathy in the setting of alcoholism that persists despite thiamine replacement should prompt consideration of niacin deficiency. Pyridoxine deficiency and toxicity both have neurologic sequelae. Vitamin D deficiency and the risk for multiple sclerosis has been an area of ongoing research.

Summary: Optimal functioning of the nervous system is dependent on a constant supply of certain vitamins and nutrients. This article discusses neurologic manifestations related to deficiency of these key nutrients.

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