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Topic · Public Health, Environmental and Occupational Health

Nutritional Studies and Diet

Nutritional Studies and Diet is a research topic within Public Health, Environmental and Occupational Health. Science Explorer counts 55k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the role of the Mediterranean Diet in influencing various health outcomes, including cardiovascular disease, chronic inflammation, cancer prevention, and metabolic syndrome. It also delves into the assessment of dietary patterns, chronic disease risk, and diet quality using methods such as the Healthy Eating Index and nutritional epidemiology. The research emphasizes the impact of dietary factors on overall health and the potential benefits of adhering to a Mediterranean-style diet.

  • Mediterranean Diet
  • Cardiovascular Disease
  • Inflammation
  • Dietary Patterns
  • Chronic Disease Risk
  • Nutritional Epidemiology
  • Cancer Prevention
  • Metabolic Syndrome
  • Healthy Eating Index
  • Diet Quality
Research works
55k
fractional, since 1950
In the world top 10%
5.5k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+20%
the tick is no change
Largest producer
United States
30% of the 10 largest, 2022-now
Nutritional Studies and Diet

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Nutritional Studies and Diet research?

By volume, the United States and China publish the most (2.8k and 2.4k works in 2022-now).

By volume, 2022-now

  1. 1 United States 2.8k works
  2. 2 China 2.4k works
  3. 3 United Kingdom 644 works
  4. 4 India 628 works
  5. 5 Brazil 545 works
  6. 6 Spain 517 works
  7. 7 Iran 491 works
  8. 8 Japan 480 works
  9. 9 Italy 475 works
  10. 10 Australia 465 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 30.0%China: 25.0%United Kingdom: 6.8%India: 6.7%6 others listed: 31.5%30%largest
United States2,830 · 30.0%China2,363 · 25.0%United Kingdom644 · 6.8%India628 · 6.7%6 others listed2,973 · 31.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Nutritional Studies and Diet research?

By volume in 2022-now, Harvard University publishes the most Nutritional Studies and Diet research, followed by University of North Carolina at Chapel Hill and Tehran University of Medical Sciences.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 170 works
  2. 2 University of North Carolina at Chapel HillUnited States 99 works
  3. 3 Tehran University of Medical SciencesIran 72 works
  4. 4 National Institutes of HealthUnited States 66 works
  5. 5 Universidade de São PauloBrazil 60 works
  6. 6 Johns Hopkins UniversityUnited States 58 works
  7. 7 Instituto de Salud Carlos IIISpain 57 works
  8. 8 InsermFrance 55 works
  9. 9 Sichuan UniversityChina 55 works
  10. 10 Sun Yat-sen UniversityChina 55 works

Who are the leading researchers in Nutritional Studies and Diet?

The most-cited researchers publishing on Nutritional Studies and Diet include David Moher, Ahmedin Jemal and Christopher J L Murray.

  1. 1 David Moher Canada 898k citations
  2. 2 Ahmedin Jemal United States 761k citations
  3. 3 Christopher J L Murray United States 583k citations
  4. 4 Rebecca L. Siegel United States 582k citations
  5. 5 Freddie Bray France 550k citations
  6. 6 Rob Knight United States 468k citations
  7. 7 Simon Iain Hay United States 452k citations
  8. 8 Theo Vos United States 439k citations
  9. 9 George Davey Smith United Kingdom 435k citations
  10. 10 Ali H. Mokdad United States 429k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Nutritional Studies and Diet?

The most cited paper in Nutritional Studies and Diet is "The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure The JNC 7 Report" (Aram V. Chobanian, 2003), with 25,591 citations. Next come "Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems" (10,973) and "AIN-93 Purified Diets for Laboratory Rodents: Final Report of the American Institute of Nutrition Ad Hoc Writing Committee on the Reformulation of the AIN-76A Rodent Diet" (8,763).

Most cited papers
#PaperReleasedCitations
1 The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure The JNC 7 Report Aram V. Chobanian · JAMA 20 May 2003 25,591
2 Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems Walter Churchill Willett et al. · The Lancet Open access 16 Jan 2019 10,973
3 AIN-93 Purified Diets for Laboratory Rodents: Final Report of the American Institute of Nutrition Ad Hoc Writing Committee on the Reformulation of the AIN-76A Rodent Diet Philip G. Reeves, Forrest Harold Nielsen, George C Fahey Jr · Journal of Nutrition Nov 1993 8,763
4 Self-Rated Health and Mortality: A Review of Twenty-Seven Community Studies Ellen L. Idler, Yael Benyamini · Journal of Health and Social Behavior Mar 1997 8,690
5 A core gut microbiome in obese and lean twins Peter James Turnbaugh, Micah Hamady, Tanya Yatsunenko et al. · Nature Open access 30 Nov 2008 7,978
All 99 most cited papers, with filters and sorting

Where is Nutritional Studies and Diet research done?

The largest centres of Nutritional Studies and Diet research in 2022-now are Beijing (China), Tehran (Iran), Seoul (South Korea) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Medford, Wageningen and Burwood.

Largest cities, 2022-now

  1. 1 BeijingChina 376 works
  2. 2 TehranIran 218 works
  3. 3 SeoulSouth Korea 200 works
  4. 4 LondonUnited Kingdom 170 works
  5. 5 GuangzhouChina 157 works
  6. 6 MadridSpain 156 works
  7. 7 ShanghaiChina 153 works
  8. 8 TokyoJapan 144 works
  9. 9 São PauloBrazil 124 works
  10. 10 BostonUnited States 124 works

Where it is the local speciality

  1. MedfordUS · 35.4 works9.3×
  2. WageningenNL · 48.8 works8.8×
  3. BurwoodAU · 49.0 works7.8×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Nutritional Studies and Diet than the world average.

See Nutritional Studies and Diet on the map

Where is the best place to study Nutritional Studies and Diet?

Among universities, judged by research, Harvard University, Wageningen University & Research and Madrid Institute for Advanced Studies score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 19.3%fractional works in this field (log) →share of work in the world top 10% →Madrid Institute for…Tulane UniversityHarvard UniversityWageningen Universit…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 81.520.0%4.2×170 -10.7%
2Wageningen University & ResearchNetherlands 70.117.5%10.4×47 +16.0%
3Madrid Institute for Advanced StudiesSpain 68.125.7%36.8×9 +56.7%
4Tulane UniversityUnited States 65.222.4%6.5×20 +88.4%
5Karolinska InstitutetSweden 64.115.5%4.6×33 +14.6%
6Nanchang UniversityChina 63.725.0%2.3×21 +325.5%
7Deakin UniversityAustralia 63.310.6%8.7×49 +39.7%
8Huazhong University of Science and TechnologyChina 59.815.5%1.8×42 +168.0%
9China Medical UniversityChina 58.717.3%5.5×29 +115.3%
10Jiangnan UniversityChina 58.623.5%2.1×16 +374.9%

Universities only. The score blends citation excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Nutritional Studies and Diet, country by country

Is Nutritional Studies and Diet research growing?

Output in 2022-2025 was 20% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Nutritional Studies and Diet.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Nutritional Studies and Diet as a percentage of every work published that year, 0.064% in 2024.

still counting0.025%0.050%0.075%Nutritional Studies and Diet0.062% in 202519801990200020102020

Fractional works of Nutritional Studies and Diet over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Nutritional Studies and Diet10.0% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

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