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Race, daytime sleepiness, and vitamin D related in new study - Birmingham science news | Examiner.com

Race, daytime sleepiness, and vitamin D related in new study - Birmingham science news | Examiner.com

Race, the occurrence of daytime sleepiness, and vitamin D have been definitively connected by a new study conducted David McCarty, MD at the American Academy of Sleep Medicine, and published in the Journal of Clinical Sleep Medicine on December 14, 2012.
This is the first study to demonstrate a significant relationship between sleepiness and vitamin D. Race is a factor because previous research has shown that increased skin pigmentation is an established risk factor for low vitamin D.
“Results show that in patients with normal vitamin D levels, progressively higher levels of daytime sleepiness were correlated inversely with progressively lower levels of vitamin D. Among patients with vitamin D deficiency, sleepiness and vitamin D levels were associated only among black patients. Surprisingly, this correlation was observed in a direct relationship, with higher vitamin D levels associated with a higher level of sleepiness among black patients.”
The majority of Birmingham’s population is Afro-American.
Daytime sleepiness due to the lack of vitamin D could be affecting your children's performance in school.
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