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09-05-2010, 01:15 PM | #1 | |||
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Mov Disord. 2010 Aug 15;25(11):1560-7.
Prenatal and early life factors and risk of Parkinson's disease. Gardener H, Gao X, Chen H, Schwarzschild MA, Spiegelman D, Ascherio A. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA. hgardener@med.miami.edu Abstract Few studies have investigated the relation between early life factors and risk of Parkinson's disease (PD), although a potential role of exposures during pregnancy and childhood has been hypothesized. The study population comprised participants in two prospective cohorts: the Nurses' Health Study (121,701 female nurses followed up from 1976-2002) and the Health Professionals Follow-up Study (51,529 male health professionals followed up from 1986-2002). PD risk was examined in relation to season of birth, birthweight, parental age at birth, preterm birth, multiple birth, ever having been breast-fed, and handedness. We identified 659 incident PD cases. No significant relation with PD was observed for birthweight, paternal age, preterm birth, multiple birth, and having been breast-fed. A modest nonsignificant association was suggested for season of birth (30% higher risk of PD associated with spring versus winter birth) and for older maternal age at birth (75% increased risk among those with mothers aged 30 years and older versus younger than 20 years). Left-handedness was associated with a 62% increased risk of PD in women but not in men. Further investigation of the relation between prenatal, perinatal, or neonatal factors and PD in other study populations is suggested. PMID: 20740569 [PubMed - in process] http://www.ncbi.nlm.nih.gov/pubmed/20740569
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In the last analysis, we see only what we are ready to see, what we have been taught to see. We eliminate and ignore everything that is not a part of our prejudices. ~ Jean-Martin Charcot The future is already here — it's just not very evenly distributed. William Gibson |
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09-05-2010, 03:11 PM | #2 | ||
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In Remembrance
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madelyn,
that's very interesting. They're zooming in on it from all angles. data....endless but can yield the results.
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paula "Time is not neutral for those who have pd or for those who will get it." |
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09-06-2010, 07:28 AM | #3 | ||
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Senior Member
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Hands up to being a left-handed woman. Any others?
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