Vitamin D is a steroid hormone implicated in the regulation of neuronal integrity and many brain functions.
Its influence, as a nutrient and a hormone, on the physiopathology of the most common neurodegenerative
diseases is continuously emphasized by new studies. This review addresses what is currently known about the
action of vitamin D on the nervous system and neurodegenerative diseases such as Multiple Sclerosis, Alzheimer’s
disease, Parkinson’s disease and Amyotrophic Lateral Sclerosis. Further vitamin D research is necessary
to understand how the action of this “neuroactive” steroid can help to optimize the prevention and treatment of
several neurological diseases.
Keywords: Vitamin D, neurodegenerative diseases, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, multiple
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