Dayoon Kwon

Postdoctoral Scholar · Department of Epidemiology & Population Health · Stanford University

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I am an environmental epidemiologist who uses multi-omics data to investigate how environmental exposures shape human health across the life course.

At Stanford, I develop epigenetic biomarkers and aging clocks to understand how early-life exposures influence long-term health trajectories.

My doctoral work at UCLA focused on air pollution and Parkinson’s disease, including gene–environment interactions and metabolomic signatures. I also studied how diet and the gut microbiome relate to Parkinson’s disease.

Before UCLA, at Columbia, I quantified biological aging from blood-based clinical biomarkers and developed the BioAge R package, an accessible tool for calculating biological age across diverse datasets.

selected publications

  1. npj2026.jpg
    Untargeted serum metabolomics and air pollution in Parkinson’s disease
    Dayoon Kwon, Kimberly C. Paul, Yuyuan Lin, and 6 more authors
    npj Parkinson’s Disease, 2026
  2. jama2025.jpg
    Interaction Between Traffic-Related Air Pollution and Parkinson Disease Polygenic Risk Score
    Dayoon Kwon, Kimberly C. Paul, Cynthia Kusters, and 7 more authors
    JAMA Network Open, 2025
  3. npj2024.jpg
    Diet and the gut microbiome in patients with Parkinson’s disease
    Dayoon Kwon, Keren Zhang, Kimberly C. Paul, and 6 more authors
    npj Parkinson’s Disease, 2024
  4. geroscience2021.jpg
    A toolkit for quantification of biological age from blood chemistry and organ function test data: BioAge
    Dayoon Kwon and Daniel W Belsky
    GeroScience, 2021