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Comment & Response
August 2014

Alzheimer Disease Risk Factors

Author Affiliations
  • 1Department of Environmental and Occupational Medicine, Rutgers Robert Wood Johnson Medical School, Piscataway, New Jersey
  • 2Environmental and Occupational Health Sciences Institute, Piscataway, New Jersey
  • 3University of Texas Southwestern Medical Center, Dallas
  • 4Emory University School of Medicine, Atlanta, Georgia
JAMA Neurol. 2014;71(8):1051. doi:10.1001/jamaneurol.2014.1525

To the Editor We appreciate the editorial by DeKosky and Gandy1 accompanying our article2 describing the association of serum dichlorodiphenyldichloroethylene (DDE) levels and Alzheimer disease (AD). While we wholeheartedly agree with the authors in calling for additional study on environmental factors in AD, there are some clarifications that we would like to make.

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