World's Best Scientists 2026 revealed!
Margaret R. Karagas

Margaret R. Karagas

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Best Female Scientists
2025

D-Index & Metrics

Best Female Scientists

D-Index
109
Citations
40529
World Ranking
941
National Ranking
573

Medicine

D-Index
111
Citations
42559
World Ranking
5357
National Ranking
2890

Margaret R. Karagas 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 Margaret R. Karagas 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: 656 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Margaret R. Karagas 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 Margaret R. Karagas 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: 111 D-Index — 74th percentile

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

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

Research.com Recognitions

  • 2025 - Research.com Best Female Scientists Award

Overview

Margaret R. Karagas is affiliated with Dartmouth College in the United States and specializes in research across medicine and environmental science. Their scholarly output includes extensive work in subfields such as health, toxicology and mutagenesis; pediatrics, perinatology and child health; molecular biology; public health, environmental and occupational health; and environmental chemistry.

The prominent topics in their research cover a range of environmental and health-related issues, including:

  • Heavy Metal Exposure and Toxicity
  • Birth, Development, and Health
  • Air Quality and Health Impacts
  • Gut microbiota and health
  • Epigenetics and DNA Methylation
  • Per- and polyfluoroalkyl substances research
  • Effects and risks of endocrine disrupting chemicals

Their recent publications demonstrate involvement in multidisciplinary epidemiological and environmental health studies. Notable recent papers include:

  • The Environmental Influences on Child Health Outcomes (ECHO)-Wide Cohort, 2023, American Journal of Epidemiology
  • Associations of Neighborhood Opportunity and Social Vulnerability With Trajectories of Childhood Body Mass Index and Obesity Among US Children, 2022, JAMA Network Open
  • Exposure to Contemporary and Emerging Chemicals in Commerce among Pregnant Women in the United States: The Environmental influences on Child Health Outcome (ECHO) Program, 2022, Environmental Science & Technology
  • Trends in Screen Time Use Among Children During the COVID-19 Pandemic, July 2019 Through August 2021, 2023, JAMA Network Open
  • Metals and trace elements in relation to body mass index in a prospective study of US women, 2020, Environmental Research

Their collaborative network includes frequent co-authors such as Anne L. Dunlop, Assiamira Ferrara, Dana Dabelea, Juliette C. Madan, and Carrie V. Breton, reflecting sustained research partnerships.

Margaret R. Karagas's publications are frequently found in venues including ISEE Conference Abstracts, UNC Libraries, Environmental Research, bioRxiv (Cold Spring Harbor Laboratory), and JAMA Network Open, indicating consistent contributions to both conference proceedings and peer-reviewed journals.

Best Publications

  • Erratum: Genetic variation in the prostate stem cell antigen gene PSCA confers susceptibility to urinary bladder cancer (Nature Genetics (2009) 41 (991-995))

    Xifeng Wu;Yuanqing Ye;Lambertus A. Kiemeney;Patrick Sulem

  • Aging and Environmental Exposures Alter Tissue-Specific DNA Methylation Dependent upon CpG Island Context

    Brock C. Christensen;E. Andres Houseman;E. Andres Houseman;Carmen J. Marsit;Shichun Zheng

  • Evidence on the human health effects of low-level methylmercury exposure.

    Margaret R. Karagas;Anna Lai Choi;Emily Oken;Milena Horvat

  • Basic epidemiology of fractures of the upper and lower limb among Americans over 65 years of age.

    John A. Baron;Margaret Karagas;Jane Barrett;Wayne Kniffin

  • A multi-stage genome-wide association study of bladder cancer identifies multiple susceptibility loci

    Nathaniel Rothman;Montserrat Garcia-Closas;Nilanjan Chatterjee;Nuria Malats

  • Risk of subsequent basal cell carcinoma and squamous cell carcinoma of the skin among patients with prior skin cancer. Skin Cancer Prevention Study Group.

    M R Karagas;T A Stukel;E R Greenberg;J A Baron

  • Increase in incidence rates of basal cell and squamous cell skin cancer in New Hampshire, USA

    M R Karagas;E R Greenberg;S K Spencer;T A Stukel

  • Rice consumption contributes to arsenic exposure in US women

    Diane Gilbert-Diamond;Kathryn L. Cottingham;Joann F. Gruber;Tracy Punshon

  • Serial Analysis of the Gut and Respiratory Microbiome in Cystic Fibrosis in Infancy: Interaction between Intestinal and Respiratory Tracts and Impact of Nutritional Exposures

    J. C. Madan;D. C. Koestler;B. A. Stanton;L. Davidson

  • Use of Tanning Devices and Risk of Basal Cell and Squamous Cell Skin Cancers

    Margaret R. Karagas;Virginia A. Stannard;Leila A. Mott;Mary Jo Slattery

  • New common variants affecting susceptibility to basal cell carcinoma

    Simon N Stacey;Patrick Sulem;Gisli Masson;Sigurjon A Gudjonsson

  • Sun exposure and melanoma risk at different latitudes: a pooled analysis of 5700 cases and 7216 controls

    Yu Mei Chang;Jennifer H. Barrett;Timothy D. Bishop;Bruce K. Armstrong

  • The epidemiology of peripheral fractures.

    John A. Baron;J. A. Barrett;M. R. Karagas

  • Human Papillomavirus Infection and Incidence of Squamous Cell and Basal Cell Carcinomas of the Skin

    Margaret R. Karagas;Heather H. Nelson;Peter Sehr;Tim Waterboer

  • Mortality associated with low plasma concentration of beta carotene and the effect of oral supplementation

    Greenberg Er;Baron Ja;Karagas Mr;Stukel Ta

  • Risk of Basal Cell and Squamous Cell Skin Cancers After Ionizing Radiation Therapy

    M R Karagas;J A McDonald;E R Greenberg;T A Stukel

  • Oral ingestion of hexavalent chromium through drinking water and cancer mortality in an industrial area of Greece - An ecological study

    Athena Linos;Athanassios Petralias;Athanassios Petralias;Costas A Christophi;Costas A Christophi;Eleni Christoforidou

  • Association of Cesarean Delivery and Formula Supplementation With the Intestinal Microbiome of 6-Week-Old Infants

    Juliette C. Madan;Juliette C. Madan;Anne G. Hoen;Sara N. Lundgren;Shohreh F. Farzan

  • Heterogeneity of hip fracture: age, race, sex, and geographic patterns of femoral neck and trochanteric fractures among the US elderly.

    Margaret R. Karagas;Grace L. Lu-Yao;Jane A. Barrett;Michael L. Beach

  • Model-based clustering of DNA methylation array data: a recursive-partitioning algorithm for high-dimensional data arising as a mixture of beta distributions

    E. Andres Houseman;E. Andres Houseman;Brock C. Christensen;Ru-Fang Yeh;Carmen J. Marsit

Frequent Co-Authors

Carmen J. Marsit
Carmen J. Marsit Emory University
Karl T. Kelsey
Karl T. Kelsey Brown University
Debra T. Silverman
Debra T. Silverman National Institutes of Health
Brian P. Jackson
Brian P. Jackson Dartmouth College
Jason H. Moore
Jason H. Moore University of Pennsylvania
Brock C. Christensen
Brock C. Christensen Dartmouth College
Nathaniel Rothman
Nathaniel Rothman National Institutes of Health
John A. Baron
John A. Baron University of North Carolina at Chapel Hill
Therese A. Stukel
Therese A. Stukel University of Toronto
Montserrat Garcia-Closas
Montserrat Garcia-Closas National Institutes of Health

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