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Published on in Vol 10 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/89897, first published .
Close-up of dried cannabis buds with orange pistils and green leaves

Surveillance of Cannabis Strains Using Online Data: Observational Study

Surveillance of Cannabis Strains Using Online Data: Observational Study

Dong Won Yoon   1 * , PhD ;   Zefeng Qiu   2 * , MA ;   Hojin Park   1, 3 , PhD ;   Jian Chen   2 , PhD ;   Ce Shang   1, 4 , PhD

1 Center for Tobacco Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States

2 Department of Computer Science and Engineering, The Ohio State University, Columbus, OH, United States

3 Department of Economics, Chosun University, Gwangju, Republic of Korea

4 Department of Internal Medicine, Division of Medical Oncology, College of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States

*these authors contributed equally

Corresponding Author:

  • Ce Shang, PhD
  • Department of Internal Medicine, Division of Medical Oncology
  • College of Medicine, The Ohio State University Wexner Medical Center
  • 3650 Olentangy River Rd
  • Columbus, OH 43214
  • United States
  • Phone: 1 9178688682
  • Email: ce.shang@osumc.edu