| Canadian Identity and History | 55 |
| HIV, Drug Use, Sexual Risk | 32 |
| HIV/AIDS Research and Interventions | 20 |
| Genomics and Phylogenetic Studies | 20 |
| Mycorrhizal Fungi and Plant Interactions | 19 |
| Plant Pathogens and Fungal Diseases | 19 |
| Opioid Use Disorder Treatment | 14 |
| Orthopaedic implants and arthroplasty | 13 |
| Urban, Neighborhood, and Segregation Studies | 11 |
| Sex work and related issues | 11 |
| Urban Green Space and Health | 11 |
| Homelessness and Social Issues | 11 |
| Total Knee Arthroplasty Outcomes | 10 |
| Genetic diversity and population structure | 10 |
| Historical Studies and Socio-cultural Analysis | 10 |
| LGBTQ Health, Identity, and Policy | 9 |
| Geology and Paleoclimatology Research | 9 |
| Urban Transport and Accessibility | 8 |
| Indigenous Health, Education, and Rights | 8 |
| Australian History and Society | 8 |