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Comment & Response |

Alzheimer Disease Risk Factors

Jason R. Richardson, PhD1,2; Dwight German, PhD3; Allan Levey, MD, PhD4
[+] 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.
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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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August 1, 2014
Steven T. DeKosky, MD; Sam Gandy, MD, PhD
1Department of Medical Ethics and Health Policy, University of Pennsylvania Perelman School of Medicine, Philadelphia2Department of Neurology and Psychiatry and Neurobehavioral Sciences, University of Virginia School of Medicine, Charlottesville
3Neurology and Psychiatry (Dual Primaries), Center for Cognitive Health and NFL Neurological Care, New York, New York4Mount Sinai Alzheimer’s Disease Research Center, New York, New York
JAMA Neurol. 2014;71(8):1051-1052. doi:10.1001/jamaneurol.2014.636.
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