World's Best Scientists 2026 revealed!
Award Badge
Best Scientists
2025
Award Badge
Medicine
UK
2026

D-Index & Metrics

Best Scientists

D-Index
188
Citations
154204
World Ranking
450
National Ranking
46

Medicine

D-Index
196
Citations
164400
World Ranking
209
National Ranking
26

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)

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in medicine and healthcare, several online programs offer flexible alternatives to traditional, on-campus degrees. One increasingly popular pathway is pursuing accredited mha programs, which prepare graduates for leadership roles in healthcare administration. These accredited options ensure quality education and are highly valued by employers.

Nursing professionals can also advance their careers online. Programs like online rn to bsn no clinicals are designed for registered nurses seeking a bachelor’s degree without the need for additional in-person clinical hours, making them ideal for working nurses.

For those aiming for the highest clinical nursing credentials, options such as a 1 year dnp program online offer fast-track routes to a Doctor of Nursing Practice degree. Additionally, candidates can explore dnp programs without dissertation for a more practice-focused approach to advanced nursing leadership and expertise. These flexible online pathways can open doors to advanced medical roles and broader career opportunities.

Best Scientists Citing Timothy J. Key

Trending Scientists