World Scientist and University Rankings 2025

Canada Medical and Health Sciences 6.374 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jan 31, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

Total 6.374 scientists, 1 country, 129 institution
* Total H IndexRankings
Ranking Based On Selection: 1
Gordon Guyatt
Evidence-based medicine
Metrics
H-Index
i10 Index
Citation Counts
306
1,678
603,120
* Total H IndexRankings
Ranking Based On Selection: 2
Salim Yusuf
Cardiology
Metrics
H-Index
i10 Index
Citation Counts
299
1,404
522,493
* Total H IndexRankings
Ranking Based On Selection: 3
Alan Evans
brain imaging
MRI
PET
connectivity
neuroinformatics
Metrics
H-Index
i10 Index
Citation Counts
214
769
203,328
* Total H IndexRankings
Ranking Based On Selection: 4
Nahum Sonenberg
mRNA Translation in cancer and mental diseases
Metrics
H-Index
i10 Index
Citation Counts
206
663
159,926
* Total H IndexRankings
Ranking Based On Selection: 5
Deborah Cook
Critical Care Medicine
Metrics
H-Index
i10 Index
Citation Counts
204
846
347,241
* Total H IndexRankings
Ranking Based On Selection: 6
Holger Schünemann
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guidelines
Metrics
H-Index
i10 Index
Citation Counts
201
815
349,787
* Total H IndexRankings
Ranking Based On Selection: 7
Robert E. W. Hancock
Microbiology
Host Defence (antimicrobial) Peptides
Immunomodulatory and Anti-biofilm therapies
Systems biology of Innate Immunity
Pseudomonas aeruginosa
Metrics
H-Index
i10 Index
Citation Counts
190
766
151,581
* Total H IndexRankings
Ranking Based On Selection: 9
Anthony E Lang
Neuroscience
Metrics
H-Index
i10 Index
Citation Counts
187
960
170,593
* Total H IndexRankings
Ranking Based On Selection: 10
Jack Hirsh
Thrombosis andnhemostasis
Metrics
H-Index
i10 Index
Citation Counts
182
802
256,376

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H IndexRankings
Ranking Based On Selection: 12
Marcello Tonelli
nephrology
non-communicable chronic diseases
health services
Metrics
H-Index
i10 Index
Citation Counts
172
606
242,620
* Total H IndexRankings
Ranking Based On Selection: 14
B Brett Finlay
microbiology
bacterial pathogenesis
microbiota
Metrics
H-Index
i10 Index
Citation Counts
163
543
95,480
* Total H IndexRankings
Ranking Based On Selection: 15
Peter Jüni
Clinical Epidemiology
Epidemiology
Cardiology
Clinical Trials
Meta-Analysis
Metrics
H-Index
i10 Index
Citation Counts
161
541
295,807
* Total H IndexRankings
Ranking Based On Selection: 16
Fred Saad
urologic oncology
prostate cancer
Metrics
H-Index
i10 Index
Citation Counts
154
835
142,378
* Total H IndexRankings
Ranking Based On Selection: 17
Daniel J Drucker
Gut hormones
Endocrinology
Diabetes
GLP-1
obesity
Metrics
H-Index
i10 Index
Citation Counts
154
421
95,380
* Total H IndexRankings
Ranking Based On Selection: 18
David Ja Jenkins
Use of diet in the prevention and treatment of hyperlipidemia and diabetes
Metrics
H-Index
i10 Index
Citation Counts
154
496
111,369
* Total H IndexRankings
Ranking Based On Selection: 19
Steven Gallinger
Surgery
Cancer
Genomics
Metrics
H-Index
i10 Index
Citation Counts
151
680
105,626
* Total H IndexRankings
Ranking Based On Selection: 20
Paul W Armstrong
cardiology
cardiovascular
clinical trials
Metrics
H-Index
i10 Index
Citation Counts
149
770
212,428
* Total H IndexRankings
Ranking Based On Selection: 21
Mark Tarnopolsky
mitochondrial disease
aging
exercise
Metrics
H-Index
i10 Index
Citation Counts
147
515
75,292
* Total H IndexRankings
Ranking Based On Selection: 22
Daren Heyland
Critical Care Medicine
End of Life Care
Metrics
H-Index
i10 Index
Citation Counts
146
481
84,751
* Total H IndexRankings
Ranking Based On Selection: 23
Jacques Montplaisir
Sommeil
Vigilance
Imagerie cérébrale
Metrics
H-Index
i10 Index
Citation Counts
145
442
70,189
* Total H IndexRankings
Ranking Based On Selection: 24
Mark S Tremblay
health
physical activity
sedentary behaviour
outdoor play
movement behaviours
Metrics
H-Index
i10 Index
Citation Counts
144
517
109,219
* Total H IndexRankings
Ranking Based On Selection: 25
Jeffrey Weitz
Hematology
Metrics
H-Index
i10 Index
Citation Counts
144
640
108,874
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Gordon Guyatt
Metrics
H-Index
i10-Index
Citation Counts
306
1,678
603,120
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Salim Yusuf
Metrics
H-Index
i10-Index
Citation Counts
299
1,404
522,493
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Alan Evans
Metrics
H-Index
i10-Index
Citation Counts
214
769
203,328
brain imaging
MRI
PET
connectivity
neuroinformatics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Nahum Sonenberg
Metrics
H-Index
i10-Index
Citation Counts
206
663
159,926
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Deborah Cook
Metrics
H-Index
i10-Index
Citation Counts
204
846
347,241
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Holger Schünemann
Metrics
H-Index
i10-Index
Citation Counts
201
815
349,787
GRADE
Recommendations
Knowledge Synthesis
Systematic Reviews
Guidelines
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Robert E. W. Hancock
Metrics
H-Index
i10-Index
Citation Counts
190
766
151,581
Microbiology
Host Defence (antimicrobial) Peptides
Immunomodulatory and Anti-biofilm therapies
Systems biology of Innate Immunity
Pseudomonas aeruginosa
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Peter Tugwell
Metrics
H-Index
i10-Index
Citation Counts
187
847
391,826
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Anthony E Lang
Metrics
H-Index
i10-Index
Citation Counts
187
960
170,593
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Jack Hirsh
Metrics
H-Index
i10-Index
Citation Counts
182
802
256,376

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Randy D Gascoyne
Metrics
H-Index
i10-Index
Citation Counts
175
584
137,423
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Marcello Tonelli
Metrics
H-Index
i10-Index
Citation Counts
172
606
242,620
nephrology
non-communicable chronic diseases
health services
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Guy Rouleau
Metrics
H-Index
i10-Index
Citation Counts
164
824
118,079
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
B Brett Finlay
Metrics
H-Index
i10-Index
Citation Counts
163
543
95,480
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Peter Jüni
Metrics
H-Index
i10-Index
Citation Counts
161
541
295,807
Clinical Epidemiology
Epidemiology
Cardiology
Clinical Trials
Meta-Analysis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Fred Saad
Metrics
H-Index
i10-Index
Citation Counts
154
835
142,378
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Daniel J Drucker
Metrics
H-Index
i10-Index
Citation Counts
154
421
95,380
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
David Ja Jenkins
Metrics
H-Index
i10-Index
Citation Counts
154
496
111,369
Use of diet in the prevention and treatment of hyperlipidemia and diabetes
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Steven Gallinger
Metrics
H-Index
i10-Index
Citation Counts
151
680
105,626
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Paul W Armstrong
Metrics
H-Index
i10-Index
Citation Counts
149
770
212,428
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Mark Tarnopolsky
Metrics
H-Index
i10-Index
Citation Counts
147
515
75,292
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Daren Heyland
Metrics
H-Index
i10-Index
Citation Counts
146
481
84,751
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Jacques Montplaisir
Metrics
H-Index
i10-Index
Citation Counts
145
442
70,189
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Mark S Tremblay
Metrics
H-Index
i10-Index
Citation Counts
144
517
109,219
health
physical activity
sedentary behaviour
outdoor play
movement behaviours
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Jeffrey Weitz
Metrics
H-Index
i10-Index
Citation Counts
144
640
108,874