World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
106
Citations
39324
World Ranking
6564
National Ranking
71

Olli Simell 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 Olli Simell sits on this spectrum.

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: 611 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 publications 1,796+

This scientist: 623 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Olli Simell 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 Olli Simell sits on this spectrum.

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: 400 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 D-Index 217+

This scientist: 106 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

Olli Simell is affiliated with Turku University Hospital in Finland and has contributed extensively to research in medicine, particularly in areas related to diabetes and metabolic health. Their work spans multiple fields including Medicine and Biochemistry, Genetics and Molecular Biology, with a focus on Genetics, Endocrinology, Diabetes and Metabolism, Surgery, Public Health, Environmental and Occupational Health, and Pediatrics, Perinatology and Child Health.

Their recent published papers include:

  • A combined risk score enhances prediction of type 1 diabetes among susceptible children, 2020, Nature Medicine
  • Hierarchical Order of Distinct Autoantibody Spreading and Progression to Type 1 Diabetes in the TEDDY Study, 2020, Diabetes Care
  • Predictors of the Initiation of Islet Autoimmunity and Progression to Multiple Autoantibodies and Clinical Diabetes: The TEDDY Study, 2022, Diabetes Care
  • Effects of 20-year infancy-onset dietary counselling on cardiometabolic risk factors in the Special Turku Coronary Risk Factor Intervention Project (STRIP): 6-year post-intervention follow-up, 2020, The Lancet Child & Adolescent Health
  • Distinct Growth Phases in Early Life Associated With the Risk of Type 1 Diabetes: The TEDDY Study, 2020, Diabetes Care

Their frequent co-authors include:

  • Jorma Toppari
  • Richard McIndoe
  • Suvi Μ. Virtanen
  • Desmond Schatz
  • Iris Erlund

Olli Simell's research is commonly published in journals such as Diabetes Care, Scientific Reports, Nature Medicine, The Lancet Child & Adolescent Health, and Diabetes. The venues reflect an emphasis on clinical and epidemiological studies related to diabetes and metabolic disorders.

The main topics of their research cover:

  • Diabetes and associated disorders
  • Pancreatic function and diabetes
  • Diabetes Management and Research
  • Birth, Development, and Health
  • Diet and metabolism studies
  • Nutritional Studies and Diet
  • Cardiovascular Health and Risk Factors

Simell's work includes studies on the prediction and progression of type 1 diabetes, the impact of early-life dietary counseling on cardiometabolic risk factors, and the identification of growth phases influencing diabetes risk. Their research also explores autoimmune processes in diabetes development, reflecting an integrated approach combining genetics, immunology, and metabolism.

Best Publications

  • Seroconversion to Multiple Islet Autoantibodies and Risk of Progression to Diabetes in Children

    Anette G. Ziegler;Marian Rewers;Olli Simell;Tuula Simell

  • Toward defining the autoimmune microbiome for type 1 diabetes

    Adriana Giongo;Kelsey A. Gano;David B. Crabb;Nabanita Mukherjee

  • Gut Microbiome Metagenomics Analysis Suggests a Functional Model for the Development of Autoimmunity for Type 1 Diabetes

    Christopher T. Brown;Austin G. Davis-Richardson;Adriana Giongo;Kelsey A. Gano

  • Maternal vitamin D intake during pregnancy is inversely associated with asthma and allergic rhinitis in 5-year-old children

    M Erkkola;M Kaila;B I Nwaru;C Kronberg-Kippilä

  • Dysregulation of lipid and amino acid metabolism precedes islet autoimmunity in children who later progress to type 1 diabetes.

    Matej Orešič;Satu Simell;Marko Sysi-Aho;Kirsti Näntö-Salonen

  • The 6 year incidence of diabetes-associated autoantibodies in genetically at-risk children: the TEDDY study.

    Jeffrey P. Krischer;Kristian F. Lynch;Desmond A. Schatz;Jorma Ilonen;Jorma Ilonen

  • Feasibility of genetic and immunological prediction of Type I diabetes in a population-based birth cohort

    A Kupila;P Muona;T Simell;P Arvilommi

  • Elevated Serum C-Reactive Protein Levels and Early Arterial Changes in Healthy Children

    Mikko J. Järvisalo;Aimo Harmoinen;Maarit Hakanen;Ulla Paakkunainen

  • Nasal insulin to prevent type 1 diabetes in children with HLA genotypes and autoantibodies conferring increased risk of disease: a double-blind, randomised controlled trial

    Kirsti Näntö-Salonen;Antti Kupila;Satu Simell;Heli Siljander

  • Longitudinal Reproductive Hormone Profiles in Infants: Peak of Inhibin B Levels in Infant Boys Exceeds Levels in Adult Men

    Anna-Maria Andersson;Jorma Toppari;Anne-Maarit Haavisto;Jørgen H. Petersen

  • Identification of SLC7A7, encoding y+LAT-1, as the lysinuric protein intolerance gene.

    D Torrents;J Mykkänen;M Pineda;L Feliubadaló

  • Enterovirus infection as a risk factor for beta-cell autoimmunity in a prospectively observed birth cohort: the Finnish Diabetes Prediction and Prevention Study.

    Maria Lönnrot;Karita Korpela;Mikael Knip;Jorma Ilonen

  • New loci associated with birth weight identify genetic links between intrauterine growth and adult height and metabolism.

    Momoko Horikoshi;Hanieh Yaghootkar;Dennis O. Mook-Kanamori;Dennis O. Mook-Kanamori;Ulla Sovio;Ulla Sovio

  • The Environmental Determinants of Diabetes in the Young (TEDDY) Study

    Marian Rewers;Jin Xiong She;Anette G. Ziegler;Olli G. Simell

  • Macrophages, T cell receptor usage, and endothelial cell activation in the pancreas at the onset of insulin-dependent diabetes mellitus.

    A Hänninen;S Jalkanen;M Salmi;S Toikkanen

  • Temporal changes in the frequencies of HLA genotypes in patients with Type 1 diabetes--indication of an increased environmental pressure?

    R. Hermann;R. Hermann;M. Knip;M. Knip;R. Veijola;O. Simell;O. Simell

  • Coxsackievirus B1 Is Associated With Induction of β-Cell Autoimmunity That Portends Type 1 Diabetes

    Olli H. Laitinen;Hanna Honkanen;Outi Pakkanen;Sami Oikarinen

  • The First Signs of β-Cell Autoimmunity Appear in Infancy in Genetically Susceptible Children from the General Population: The Finnish Type 1 Diabetes Prediction and Prevention Study

    T Kimpimäki;A Kupila;A M Hämäläinen;A M Hämäläinen;M Kukko;M Kukko

  • Vascular addressins are induced on islet vessels during insulitis in nonobese diabetic mice and are involved in lymphoid cell binding to islet endothelium

    Amo Hänninen;Cariel Taylor;Philip R. Streeter;Leslie S. Stark

  • New loci associated with birth weight identify genetic links between intrauterine growth and adult height and metabolism

    Momoko Horikoshi;Hanieh Yaghootkar;Dennis O. Mook-Kanamori;Ulla Sovio

Frequent Co-Authors

Jorma Ilonen
Jorma Ilonen University of Turku
Mikael Knip
Mikael Knip University of Helsinki
Riitta Veijola
Riitta Veijola Oulu University Hospital
Jorma Viikari
Jorma Viikari Turku University Hospital
Heikki Hyöty
Heikki Hyöty Tampere University
Suvi M. Virtanen
Suvi M. Virtanen Tampere University
Tapani Rönnemaa
Tapani Rönnemaa Turku University Hospital
Jorma Toppari
Jorma Toppari University of Turku
Olli T. Raitakari
Olli T. Raitakari Turku University Hospital
Marian Rewers
Marian Rewers University of Colorado Denver

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