Vitamin D confers protection to motoneurons and is a prognostic factor of amyotrophic lateral sclerosis

Summary This study reports that a severe vitamin D deficiency in amyotrophic lateral sclerosis (ALS) patients accelerates the rate of decline by 4 times and is associated with a marked shorter life expectancy. The researchers say their findings support a neuroprotective function of vitamin D on motoneurons and propose vitamin D as a reliable prognostic…