More evidence links low D to neuromuscular disease

A new study adds to the case linking low levels of vitamin D to a higher prevalence of neuromuscular disorders.

A new study adds to research establishing a link between vitamin D deficiency and neurological disorders. The research was presented this week at the annual meeting of the American Association of Neuromuscular & Electrodiagnostic Medicine (AANEM) in Savannah, Georgia.

Researchers analyzed the level of vitamin D in blood taken from patients seen in neuromuscular clinics in a central Pennsylvania academic institution over several months in the fall and winter. All of the patients had a clinical neuromuscular disorder. Of the 50 samples, researchers found 24 to be “deficient,” three to be “borderline,” 16 “low normal,” and seven “normal, ” according to the study’s abstract.

“Previous work has shown vitamin D deficiency to be quite common in other neurological disorders such as multiple sclerosis, myasthenia gravis, and Parkinson’s disease. This study suggests this concern may be more prevalent in other neuromuscular conditions as well,” Ileana Howard, MD, AANEM News Science Editorial Board member, said in an AANEM release.

“While the connection between vitamin D deficiency and neurologic disease is likely complex and not yet fully understood, this study may prompt physicians to consider checking vitamin D levels in their patients with neurologic conditions and supplementing when necessary,” said Howard.


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