Susan Searles Nielsen, Ph.D.

Assistant Professor in Neurology,  Washington University School of Medicine in St. Louis


Susan Searles Nielsen, Ph.D., is an Assistant Professor in Neurology at the Washington University School of Medicine in St. Louis, and an Affiliate Assistant Professor in Neurology and the Center for Ecogenetics and Environmental Health at the University of Washington in Seattle. An epidemiologist by training, she has extensive experience in the design and analysis of human research studies. Her current primary area of research is the etiology of parkinsonism and PD. She is a co-investigator on several studies of these outcomes in relation to occupational and environmental exposures in the U.S., Europe, Asia, and Africa, with funding from the National Institutes of Health, Michael J. Fox Foundation, and the American Parkinson Disease Association. Secondary interests include gene-environment interactions, pediatric brain tumors, and smoking initiation and nicotine dependence. She is an associate editorial board member for the International Journal of Molecular Epidemiology and Genetics, and served on working groups convened by state, national and international health agencies including the World Health Organization. For a complete list of Dr. Searles Nielsen’s publications, please click here.

Funded Research

These projects were made possible from Cure Alzheimer's Fund support.

Selected Publications

These published papers resulted from Cure Alzheimer’s Fund support.

Song, Y., Racette, B. A., Camacho-Soto, A., & Searles Nielsen, S. Biologic targets of prescription medications and risk of neurodegenerative disease in United States Medicare beneficiaries, PLoS One, May 17, 2023, Read More

Faust, I., Warden, M., Camacho-Soto, A., Racette, B. A., & Nielsen, S. S. A predictive algorithm to identify ever smoking in medical claims-based epidemiologic studies, Annals of Epidemiology, May 2, 2023, Read More