More evidence for Vitamin D?

Fragoso YD et al. Month of Birth Does Not Seem to Interfere with the Development of Multiple Sclerosis Later in Life in Brazilian Patients. Neuroepidemiology. 2012 ;39(1):70-71. [Epub ahead of print]

Brazil is on the equator and so has a relatively uniform day length and more constant climatate whereas as at Northern or Southern latitudes where there seems to be a month of effect there is an uneven day length, sunlight exposure and seasonal climate.

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