Feb 8, 2011 – written By Nathan Gray
Previous levels of sun exposure and vitamin D status may have independent roles in the development of multiple sclerosis, according to new research.
Although it is generally thought that vitamin D status (indicated by 25(OH)D blood serum levels) is an indicator of recent sun exposure, researchers from the Australian National University have suggested that past and current exposure to UV sunlight may have separate roles to serum vitamin D levels in the prevention of multiple sclerosis (MS) – a chronic disease of the brain and spinal cord.
Writing in the journal Neurology, the researchers warned that if the findings presented in the current study are confirmed, then advocating vitamin D supplementationalone “may be a less effective preventive intervention than has been suggested by previous epidemiologic studies” as both UV sun exposure and vitamin D status may have separate roles, and should therefore both be counted as important in prevention.
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