2026 Johanna T. Dwyer: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Best Female Scientists	111	853	815	515	488	725	44717
Medicine	112	5145	4827	2782	2577	701	45836

Johanna T. Dwyer 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 Johanna T. Dwyer sits on this spectrum.

101 publications 1,796+

This scientist: 701 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Johanna T. Dwyer 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 Johanna T. Dwyer sits on this spectrum.

70 D-Index 217+

This scientist: 112 D-Index — 75th percentile

75% 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
1998 - Member of the National Academy of Medicine (NAM)

Overview

Johanna T. Dwyer is affiliated with Tufts University in the United States. Their main field of study is Medicine, with extensive work across several subfields including Public Health, Environmental and Occupational Health, Physiology, General Health Professions, Nutrition and Dietetics, and Genetics.

The scientist's research primarily centers on nutritional studies and diet, nutrition and health in aging, consumer attitudes and food labeling, nutrition, genetics, and disease, obesity, physical activity, diet, food security and health in diverse populations, and folate and B vitamins research.

Several recent papers authored or coauthored by Dwyer include:

Dietary Supplement Use and Its Micronutrient Contribution During Pregnancy and Lactation in the United States, 2020, published in Obstetrics and Gynecology
Association of Food Insecurity with Dietary Intakes and Nutritional Biomarkers Among US Children, National Health and Nutrition Examination Survey (NHANES) 2011-2016, 2021, published in American Journal of Clinical Nutrition
High Folic Acid or Folate Combined with Low Vitamin B-12 Status: Potential but Inconsistent Association with Cognitive Function in a Nationally Representative Cross-Sectional Sample of US Older Adults Participating in the NHANES, 2020, published in American Journal of Clinical Nutrition
Proposed Nutrient Standards for Plant-Based Beverages Intended as Milk Alternatives, 2021, published in Frontiers in Nutrition
Trends in Overall and Micronutrient-Containing Dietary Supplement Use in US Adults and Children, NHANES 2007-2018, 2022, published in Journal of Nutrition

Dwyer has frequently published in venues such as:

Current Developments in Nutrition (19 publications)
Nutrition Today (7 publications)
Journal of Nutrition (6 publications)
Journal of Agricultural Economics (6 publications)
Journal of the Academy of Nutrition and Dietetics (5 publications)

Notable frequent coauthors include Jaime Gahche, Pamela Pehrsson, Leila Saldanha, Regan L Bailey, and Mary Beth Arensberg.

Johanna T. Dwyer was named a member of the National Academy of Medicine in 1998.

Best Publications

Effect of Dialysis Dose and Membrane Flux in Maintenance Hemodialysis

Garabed Eknoyan;Gerald J. Beck;Alfred K. Cheung;John T. Daugirdas

2313
Citations
National Cholesterol Education Program

R. A. Carleton;J. Dwyer;L. Finberg;J. A. Flora

1819
Citations
Atherosclerotic cardiovascular disease risks in chronic hemodialysis patients

Alfred K. Cheung;Mark J. Sarnak;Guofen Yan;Johanna T. Dwyer

1104
Citations
Dietary Supplement Use in the United States, 2003–2006

Regan L. Bailey;Jaime J. Gahche;Cindy V. Lentino;Johanna T. Dwyer

988
Citations
Flavonoids: Dietary occurrence and biochemical activity

Julia Peterson;Johanna Dwyer

958
Citations
Why US Adults Use Dietary Supplements

Regan L. Bailey;Jaime J. Gahche;Paige E. Miller;Paul R. Thomas

822
Citations
Update on NHANES Dietary Data: Focus on Collection, Release, Analytical Considerations, and Uses to Inform Public Policy.

Namanjeet Ahluwalia;Johanna T. Dwyer;Ana L Terry;Alanna J. Moshfegh

797
Citations
Estimation of Total Usual Calcium and Vitamin D Intakes in the United States

Regan L. Bailey;Kevin W. Dodd;Joseph A. Goldman;Jaime J. Gahche

718
Citations
Flavonoid intake and cardiovascular disease mortality in a prospective cohort of US adults

Marjorie L McCullough;Julia J Peterson;Roshni Patel;Paul F Jacques

655
Citations
Nonsurgical factors that influence the outcome of bariatric surgery: a review.

L. K. G. Hsu;P. N. Benotti;P. N. Benotti;J. Dwyer;S. B. Roberts

652
Citations
Estrogen Excretion Patterns and Plasma Levels in Vegetarian and Omnivorous Women

Barry R. Goldin;Herman Adlercreutz;Sherwood L. Gorbach;James H. Warram

647
Citations
Foods, Fortificants, and Supplements: Where Do Americans Get Their Nutrients?

Victor L. Fulgoni;Debra R Keast;Regan L. Bailey;Johanna T. Dwyer

600
Citations
Flavonoids and Heart Health: Proceedings of the ILSI North America Flavonoids Workshop, May 31–June 1, 2005, Washington, DC

John W. Erdman;Douglas Balentine;Lenore Arab;Gary Beecher

598
Citations
Nutrition and Quality of Life in Older Adults

Eleni Amarantos;Andrea Martinez;Johanna Dwyer

483
Citations
Excretion of the lignans enterolactone and enterodiol and of equol in omnivorous and vegetarian postmenopausal women and in women with breast cancer

H. Adlercreutz;H. Adlercreutz;R. Heikkinen;R. Heikkinen;M. Woods;M. Woods;T. Fotsis;T. Fotsis

477
Citations
Is the Optimal Level of Protein Intake for Older Adults Greater Than the Recommended Dietary Allowance

Elena Volpi;Wayne W. Campbell;Johanna T. Dwyer;Mary Ann Johnson

440
Citations
Effect of diet and Lactobacillus acidophilus supplements on human fecal bacterial enzymes.

Barry R. Goldin;Linda Swenson;Johanna Dwyer;Margaret Sexton

410
Citations
Dietary supplement use among U.S. adults has increased since NHANES III (1988-1994).

Jaime Gahche;Regan Bailey;Vicki Burt;Jeffery Hughes

401
Citations
Dietary lignans: physiology and potential for cardiovascular disease risk reduction

Julia Peterson;Johanna Dwyer;Herman Adlercreutz;Augustin Scalbert

396
Citations
Dietary Supplements: Regulatory Challenges and Research Resources.

Johanna T. Dwyer;Paul M. Coates;Michael J. Smith

390
Citations

Frequent Co-Authors

Paul F. Jacques Tufts University

Sherwood L. Gorbach Tufts University

Jean Mayer Harvard University

Herman Adlercreutz University of Helsinki

Christopher T. Sempos National Institutes of Health

Leslie A. Lytle University of North Carolina at Chapel Hill

James M. Harnly United States Department of Agriculture

Deanna M. Hoelscher The University of Texas Health Science Center at Houston

Connie M. Weaver San Diego State University

Marjorie L. McCullough American Cancer Society

External Links

Personal website of Johanna T. Dwyer

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