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The Current Issue View Current Issue (Volume 170 Issue 11 December 1, 2009)
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The American Journal of Epidemiology is the premier epidemiological journal devoted to the publication of empirical research findings, opinion pieces and methodological developments in the field of epidemiological research. It is aimed at both fellow epidemiologists and those who use epidemiological data, including public health workers and clinicians.

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Long Working Hours and Cognitive FunctionThe Whitehall II Study
by Marianna Virtanen, Archana Singh-Manoux, Jane E. Ferrie, David Gimeno, Michael G. Marmot, Marko Elovainio, Markus Jokela, Jussi Vahtera, and Mika Kivimäki

This topical paper has received news coverage from the BBC Online.

Read this paper FREE online.

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Effect of Supplemental Folic Acid in Pregnancy on Childhood Asthma: A Prospective Birth Cohort Study
by Melissa J. Whitrow, Vivienne M. Moore, Alice R. Rumbold, and Michael J. Davies

Impact factor: 5.454

Editor-in-Chief

Moyses Szklo, MD, DrPH

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