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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. 24.7% 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%
14k
per year above
Top-10% rate
24.7%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+43%
the tick is no change

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 (2.6k and 2k works in 2022–2025).

By volume, 2022–2025

  1. 1 United States 2.6k works
  2. 2 China 2k works
  3. 3 United Kingdom 581 works
  4. 4 India 530 works
  5. 5 Brazil 508 works
  6. 6 Spain 466 works
  7. 7 Iran 451 works
  8. 8 Japan 434 works
  9. 9 Australia 425 works
  10. 10 Italy 420 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: 30.6%China: 23.8%United Kingdom: 6.9%India: 6.3%6 others listed: 32.3%31%largest
United States2,560 · 30.6%China1,990 · 23.8%United Kingdom581 · 6.9%India530 · 6.3%6 others listed2,705 · 32.3%

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

Which institutions lead Nutritional Studies and Diet research?

By volume in 2022–2025, University of North Carolina at Chapel Hill publishes the most Nutritional Studies and Diet research, followed by Harvard University and Tehran University of Medical Sciences.

By volume, 2022–2025

  1. 1 University of North Carolina at Chapel HillUnited States 88 works
  2. 2 Harvard UniversityUnited States 86 works
  3. 3 Tehran University of Medical SciencesIran 61 works
  4. 4 Universidade de São PauloBrazil 50 works
  5. 5 Deakin UniversityAustralia 46 works
  6. 6 Wageningen University & ResearchNetherlands 42 works
  7. 7 Johns Hopkins UniversityUnited States 41 works
  8. 8 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 39 works
  9. 9 Shahid Beheshti University of Medical SciencesIran 36 works
  10. 10 Isfahan University of Medical SciencesIran 35 works

Who are the leading researchers in Nutritional Studies and Diet?

The most-cited researchers publishing on Nutritional Studies and Diet include Paulo A. Lotufo, Cyrus Cooper and Walter C. Willett.

  1. 1 Paulo A. Lotufo Brazil 7.2k citations
  2. 2 Cyrus Cooper United Kingdom 7.2k citations
  3. 3 Walter C. Willett United States 6.8k citations
  4. 4 Mika Kivimäki United Kingdom 6.7k citations
  5. 5 Juan Jesús Carrero Sweden 6.5k citations
  6. 6 Farshad Farzadfar Iran 6.5k citations

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

Where is Nutritional Studies and Diet research done?

The largest centres of Nutritional Studies and Diet research in 2022–2025 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, 2022–2025

  1. 1 Beijing China 339 works
  2. 2 Tehran Iran 200 works
  3. 3 Seoul South Korea 178 works
  4. 4 London United Kingdom 152 works
  5. 5 Madrid Spain 143 works
  6. 6 Guangzhou China 138 works
  7. 7 Shanghai China 133 works
  8. 8 Tokyo Japan 131 works
  9. 9 São Paulo Brazil 114 works
  10. 10 Boston United States 113 works

Where it is the local speciality

  1. MedfordUS · 32.0 works9.4×
  2. WageningenNL · 43.7 works8.8×
  3. BurwoodAU · 45.7 works8.0×
  4. ReadingGB · 29.2 works7.3×
← 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, Tehran University of Medical Sciences, Tabriz University of Medical Sciences and Wageningen University & Research score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 31.72%fractional works in this node (log) →share in the world top 10% →Tehran University of Medical Sciences: 61, 21.8%Tabriz University of Medical Sciences: 28, 26.1%Wageningen University & Research: 42, 37.2%Kermanshah University of Medical Sciences: 12, 36.1%Madrid Institute for Advanced Studies: 8, 44.8%Tufts University: 32, 29.5%Harvard University: 86, 32.2%Isfahan University of Medical Sciences: 35, 27.5%Deakin University: 46, 26.9%Ahvaz Jundishapur University of Medical Sciences: 12, 35.1%Wageningen Universit…Kermanshah Universit…Tabriz University of…Tehran University of…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Tehran University of Medical SciencesIran 70.721.8%10.5×61 +362.8%
2 Tabriz University of Medical SciencesIran 65.926.1%9.8×28 +305.7%
3 Wageningen University & ResearchNetherlands 65.637.2%9.2×42 -9.6%
4 Kermanshah University of Medical SciencesIran 64.136.1%9.8×12 +201.5%
5 Madrid Institute for Advanced StudiesSpain 61.744.8%33.1×8 —
6 Tufts UniversityUnited States 60.129.5%9.5×32 +65.3%
7 Harvard UniversityUnited States 59.332.2%5.5×86 +18.4%
8 Isfahan University of Medical SciencesIran 58.527.5%12.4×35 +37.9%
9 Deakin UniversityAustralia 58.426.9%8.0×46 +37.0%
10 Ahvaz Jundishapur University of Medical SciencesIran 57.735.1%8.1×12 +201.6%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Nutritional Studies and Diet research growing?

Output in 2018–2022 was 43% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Nutritional Studies and Diet.

19801990200020102020
grewheldshrank

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

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.