Canna Research Group is involved in several national research projects and collaborations. We present at conferences and to small groups.


Zeiger JZ, Silvers WS, Fleegler EM, Zeiger RS. (2019) Cannabis use in active athletes: Behaviors related to subjective effects. PLOS ONE. June 28.

Zeiger JZ, Silvers WS, Fleegler EM, Zeiger RS. (2019) Age related differences in cannabis use and subjective effects in a large population based survey of adult athletes. Journal of Cannabis Research. July 29.

Sussman, GL., Beezhold, DH., Cohn, JR., Silvers, WS, Zeiger, JS., & Nayak, AP. (2020). Cannabis: An Emerging Occupational Allergen?. Annals of Work Exposures and Health.

Zeiger JS, Silvers WS, Fleegler EM, Zeiger RS. (2020) Attitudes about Cannabis Mediate the Relationship between Cannabis Knowledge and Use in Active Adult Athletes. Journal of Cannabis Research. 2: 18.

Conference Presentations

Poster session at the 2019 ICRS Symposium

Institute of Cannabis Research (2020)

International Cannabinoid Research Society, Bethesda, MD (2019)

Institute of Cannabis Research (2019)

American College of Allergy, Asthma, and Immunology (2018-19)

MJ for MD’s (2018)

Ironman Sports Medicine Conference (2017)

Research Projects

The Athlete PEACE Survey Study (completed 12/18)

The Asthma & Allergy PEACE Survey Study (launched May 7, 2020)

Consulting Services

Cannabis Allergy Working Group

University of Colorado School of Medicine, Dermatology


Johns Hopkins University Bloomberg School of Public Health

Athletes for Care

Asthma & Allergy Network