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Medicine
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2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Best Scientists 188 450 417 46 44 927 154204
Medicine 196 209 191 26 25 926 164400

Timothy J. Key publications per year

The chart shows the history of publications by Timothy J. Key between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy J. Key published across 39 years, from 1987 to 2025, averaging 27.1 papers a year. Output peaked at 97 publications in 2023. 40 of the 1,055 publications appeared in the last two years.

No. of publications
20 40 60 80
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 97. Peak 97 publications in 2023. 1987: 3 publications 1988: 3 publications 1989: 2 publications 1990: 5 publications 1991: 6 publications 1992: 3 publications 1993: 1 publication 1994: 4 publications 1995: 3 publications 1996: 11 publications 1997: 9 publications 1998: 5 publications 1999: 10 publications 2000: 2 publications 2001: 15 publications 2002: 21 publications 2003: 23 publications 2004: 15 publications 2005: 24 publications 2006: 31 publications 2007: 46 publications 2008: 36 publications 2009: 30 publications 2010: 35 publications 2011: 44 publications 2012: 47 publications 2013: 50 publications 2014: 60 publications 2015: 64 publications 2016: 54 publications 2017: 53 publications 2018: 39 publications 2019: 48 publications 2020: 49 publications 2021: 48 publications 2022: 19 publications 2023: 97 publications 2024: 18 publications 2025: 22 publications
1987 2025

1,055 publications in total across all disciplines

View publications per year as a table
Timothy J. Key: publications per year, 1987 to 2025
Year Publications
1987 3
1988 3
1989 2
1990 5
1991 6
1992 3
1993 1
1994 4
1995 3
1996 11
1997 9
1998 5
1999 10
2000 2
2001 15
2002 21
2003 23
2004 15
2005 24
2006 31
2007 46
2008 36
2009 30
2010 35
2011 44
2012 47
2013 50
2014 60
2015 64
2016 54
2017 53
2018 39
2019 48
2020 49
2021 48
2022 19
2023 97
2024 18
2025 22
Total 1,055
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Timothy J. Key publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Timothy J. Key sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 921–940 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 926 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116 926
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Timothy J. Key D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Timothy J. Key sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 196–197 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 196 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12 196
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Research.com Recognitions

  • 2026 - Research.com Medicine in United Kingdom Leader Award
  • 2025 - Research.com Best Scientists Award
  • 2025 - Research.com Medicine in United Kingdom Leader Award
  • 2023 - Research.com Medicine in United Kingdom Leader Award

Overview

Timothy J. Key is affiliated with the University of Oxford in the United Kingdom and has contributed extensively to research in Medicine and Biochemistry, Genetics and Molecular Biology. Their work encompasses key subfields such as Public Health, Environmental and Occupational Health, Genetics, Oncology, Physiology, and Pulmonary and Respiratory Medicine.

The scientist's research spans a range of topics with a focus on Nutritional Studies and Diet, Nutrition, Genetics, and Disease, Genetic Associations and Epidemiology, Cancer Risks and Factors, Diet and Metabolism Studies, Agriculture Sustainability and Environmental Impact, and Prostate Cancer Treatment and Research.

Key recent publications include:

  • Trans-ancestry genome-wide association meta-analysis of prostate cancer identifies new susceptibility loci and informs genetic risk prediction, 2021, Nature Genetics
  • Vegans, vegetarians, fish-eaters and meat-eaters in the UK show discrepant environmental impacts, 2023, Nature Food
  • Description of the updated nutrition calculation of the Oxford WebQ questionnaire and comparison with the previous version among 207,144 participants in UK Biobank, 2021, European Journal of Nutrition
  • Diet, nutrition, and cancer risk: what do we know and what is the way forward?, 2020, BMJ
  • Circulating inflammatory cytokines and risk of five cancers: a Mendelian randomization analysis, 2022, BMC Medicine

Frequent co-authors collaborating with Timothy J. Key include:

  • Ruth C. Travis
  • Aurora Pérez-Cornago
  • Keren Papier
  • Tammy Y. N. Tong
  • Anika Knüppel

The scientist regularly publishes in several venues, with multiple contributions to:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Proceedings of The Nutrition Society
  • BMC Medicine
  • Cancer Research
  • International Journal of Cancer

Best Publications

  • Worldwide trends in body-mass index, underweight, overweight, and obesity from 1975 to 2016: a pooled analysis of 2416 population-based measurement studies in 128·9 million children, adolescents, and adults

    Leandra Abarca-Gómez;Ziad A Abdeen;Zargar Abdul Hamid;Niveen M Abu-Rmeileh

  • Trends in adult body-mass index in 200 countries from 1975 to 2014: A pooled analysis of 1698 population-based measurement studies with 19.2 million participants

    Mariachiara Di Cesare;Mariachiara Di Cesare;James Bentham;Gretchen A Stevens;Bin Zhou

  • Breast cancer and hormone replacement therapy: collaborative reanalysis of data from 51 epidemiological studies of 52 705 women with breast cancer and 108 411 women without breast cancer

    E. E. Calle;C. W. Heath;R. J. Coates;J. M. Liff

  • Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019: a pooled analysis of 1201 population-representative studies with 104 million participants

    Bin Zhou;Rodrigo M Carrillo-Larco;Goodarz Danaei;Leanne M Riley

  • General and abdominal adiposity and risk of death in Europe.

    T. Pischon;H. Boeing;K. Hoffmann;M. Bergmann

  • Worldwide trends in blood pressure from 1975 to 2015: a pooled analysis of 1479 population-based measurement studies with 19·1 million participants

    Bin Zhou;James Bentham;Mariachiara Di Cesare;Honor Bixby

  • Endogenous sex hormones and breast cancer in postmenopausal women: reanalysis of nine prospective studies.

    T Key;P Appleby;I Barnes;G Reeves

  • General and Abdominal Adiposity and Risk of Death in Europe

    T. Pischon;H. Boeing;K. Hoffmann

  • Air pollution and lung cancer incidence in 17 European cohorts : Prospective analyses from the European Study of Cohorts for Air Pollution Effects (ESCAPE)

    Ole Raaschou-Nielsen;Zorana Jovanovic Andersen;Rob Beelen;Evangelia Samoli

  • European prospective investigation into cancer and nutrition (EPIC): study populations and data collection

    E. Riboli;K. J. Hunt;N. Slimani;P. Ferrari

  • Diet, nutrition and the prevention of chronic diseases

    EK Amine;NH Baba;M Belhadj;M Deurenberg-Yap

  • Breast cancer and hormonal contraceptives : collaborative reanalysis of individual data on 53.297 women with breast cancer and 100.239 women without breast cancer from 54 epidemiological studies

    E. E. Calle;C. W. Heath;H. L. Miracle-McMahill;R. J. Coates

  • Epidemiology of breast cancer.

    Timothy J Key;Pia K Verkasalo;Emily Banks

  • Meat consumption, health, and the environment

    H. Charles J. Godfray;Paul Aveyard;Tara Garnett;Tara Garnett;Jim W. Hall;Jim W. Hall

  • Effects of long-term exposure to air pollution on natural-cause mortality : An analysis of 22 European cohorts within the multicentre ESCAPE project

    Rob Beelen;Ole Raaschou-Nielsen;Massimo Stafoggia;Zorana Jovanovic Andersen

  • Body mass index, serum sex hormones, and breast cancer risk in postmenopausal women.

    T J Key;P N Appleby;G K Reeves;A Roddam

  • Dietary fibre in food and protection against colorectal cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC): an observational study

    Sheila A Bingham;Nicholas E Day;Robert Luben;Pietro Ferrari

  • A century of trends in adult human height

    James Bentham;Mariachiara Di Cesare;Mariachiara Di Cesare;Gretchen A. Stevens;Bin Zhou

  • Validity of self-reported height and weight in 4808 EPIC-Oxford participants.

    Elizabeth A Spencer;Paul N Appleby;Gwyneth K Davey;Timothy J Key

  • Meat, Fish, and Colorectal Cancer Risk: The European Prospective Investigation into Cancer and Nutrition

    Teresa Norat;Sheila Bingham;Pietro Ferrari;Nadia Slimani

Frequent Co-Authors

Elio Riboli
Elio Riboli Imperial College London
Kim Overvad
Kim Overvad Aarhus University
Anne Tjønneland
Anne Tjønneland University of Copenhagen
Antonia Trichopoulou
Antonia Trichopoulou National and Kapodistrian University of Athens
Heiner Boeing
Heiner Boeing German Institute of Human Nutrition
Rosario Tumino
Rosario Tumino Provincial Health Authority of Syracuse
Kay-Tee Khaw
Kay-Tee Khaw University of Cambridge
Rudolf Kaaks
Rudolf Kaaks German Cancer Research Center
Petra H.M. Peeters
Petra H.M. Peeters Utrecht University
Domenico Palli
Domenico Palli Institute for the Study and Prevention of Cancer (Istituto per lo Studio, la Prevenzione e la Rete Oncologica)

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