A timing-of-birth effect on risk for multiple
sclerosis
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Medical Update Memo
July 25, 2007
Summary
A recent report in the journal Neurology suggests
that the month of birth could influence the
course of MS.
Details
Authors Sadovnick, Duquette, Herrera, Yee,
and Ebers found that fewer MS patients
were born in November and significantly more
in
May, but these findings were true only
for people with relapsing MS. These findings
suggest that susceptibility for relapsing
remitting MS may be influenced by factors
that occur during gestation or very shortly
after birth. Maternal vitamin D deficiency
and some other sunlight-related hypothesis
may, according to authors be implicated.
This study may also suggest a differentiation
in risk factors for the development of
primary
progressive MS and relapsing remitting
MS. Neurology. 2007 Jul 3;69(1):60-2
ASK MS Information System Code: 2.3.aa
Disponible en français.
Disclaimer
The Multiple Sclerosis Society of Canada is an independent, voluntary health agency and
does not approve, endorse or recommend any specific product or therapy, but provides information to assist
individuals in making their own decisions.
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