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Topic · Physiology

Dietary Effects on Health

Dietary Effects on Health is a research topic within Physiology. Science Explorer counts 18k research works in it since 1950. 10.2% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the effects of intermittent fasting, time-restricted feeding, and fasting-mimicking diets on metabolic health, cancer treatment, cardiovascular disease prevention, weight loss, insulin sensitivity, inflammation, and aging. It also investigates the impact of Ramadan fasting on various health parameters.

  • Intermittent Fasting
  • Time-Restricted Feeding
  • Metabolic Health
  • Cancer Treatment
  • Cardiovascular Disease Prevention
  • Ramadan Fasting
  • Weight Loss
  • Insulin Sensitivity
  • Inflammation
  • Aging
Research works
18k
fractional, since 1950
In the world top 10%
1.9k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+37%
the tick is no change
Largest producer
United States
29% of the 10 largest, 2022-now
Dietary Effects on Health

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

Which countries lead Dietary Effects on Health research?

By volume, the United States and China publish the most (1.1k and 972 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.1k works
  2. 2 China 972 works
  3. 3 India 508 works
  4. 4 Türkiye 251 works
  5. 5 United Kingdom 221 works
  6. 6 Iran 184 works
  7. 7 Germany 183 works
  8. 8 Indonesia 180 works
  9. 9 Japan 155 works
  10. 10 Brazil 154 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: 29.0%China: 24.6%India: 12.8%Türkiye: 6.4%6 others listed: 27.2%29%largest
United States1,148 · 29.0%China972 · 24.6%India508 · 12.8%Türkiye251 · 6.4%6 others listed1,077 · 27.2%

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

Which institutions lead Dietary Effects on Health research?

By volume in 2022-now, Harvard University publishes the most Dietary Effects on Health research, followed by King Saud University and Tehran University of Medical Sciences.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 47 works
  2. 2 King Saud UniversitySaudi Arabia 25 works
  3. 3 Tehran University of Medical SciencesIran 24 works
  4. 4 Shanghai Jiao Tong UniversityChina 22 works
  5. 5 University of Alabama at BirminghamUnited States 21 works
  6. 6 Zhejiang UniversityChina 21 works
  7. 7 University of North Carolina at Chapel HillUnited States 20 works
  8. 8 Sichuan UniversityChina 20 works
  9. 9 National Institutes of HealthUnited States 20 works
  10. 10 All India Institute of Medical SciencesIndia 19 works

Who are the leading researchers in Dietary Effects on Health?

The most-cited researchers publishing on Dietary Effects on Health include Rob Knight, Ali H. Mokdad and Walter Churchill Willett.

  1. 1 Rob Knight United States 468k citations
  2. 2 Ali H. Mokdad United States 429k citations
  3. 3 Walter Churchill Willett United States 411k citations
  4. 4 Guido Kroemer France 386k citations
  5. 5 Cyrus Cooper United Kingdom 342k citations
  6. 6 Jun Wang China 340k citations
  7. 7 Mika Kivimäki United Kingdom 318k citations
  8. 8 Farshad Farzadfar Iran 298k citations
  9. 9 Salim Yusuf Canada 294k citations
  10. 10 Sadaf Ghajarieh Sepanlou Iran 282k 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 Dietary Effects on Health?

The most cited paper in Dietary Effects on Health is "Reduction in the Incidence of Type 2 Diabetes with Lifestyle Intervention or Metformin" (Diabetes Prevention Program Research Group, 2002), with 19,192 citations. Next come "An obesity-associated gut microbiome with increased capacity for energy harvest" (12,679) and "Human gut microbes associated with obesity" (8,887).

Most cited papers
#PaperReleasedCitations
1 Reduction in the Incidence of Type 2 Diabetes with Lifestyle Intervention or Metformin Diabetes Prevention Program Research Group · New England Journal of Medicine Open access 7 Feb 2002 19,192
2 An obesity-associated gut microbiome with increased capacity for energy harvest Peter James Turnbaugh, Ruth E. Ley, Michael A. Mahowald et al. · Nature Dec 2006 12,679
3 Human gut microbes associated with obesity Ruth E. Ley, Peter James Turnbaugh, Samuel Klein et al. · Nature 20 Dec 2006 8,887
4 Revised Estimates for the Number of Human and Bacteria Cells in the Body Ron Sender, Shai Fuchs, Ron Milo · PLoS Biology Open access 19 Aug 2016 5,258
5 The role of short-chain fatty acids in the interplay between diet, gut microbiota, and host energy metabolism Gijs den Besten, Karen van Eunen, Albert Kornelis Groen et al. · Journal of Lipid Research Open access 3 Jul 2013 5,091
All 100 most cited papers, with filters and sorting

Where is Dietary Effects on Health research done?

The largest centres of Dietary Effects on Health research in 2022-now are Beijing (China), Tehran (Iran), Shanghai (China) and Istanbul (Türkiye). Among places with at least 20 works in it, it is an unusually large share of all research in Birmingham.

Largest cities, 2022-now

  1. 1 BeijingChina 138 works
  2. 2 TehranIran 75 works
  3. 3 ShanghaiChina 74 works
  4. 4 IstanbulTürkiye 67 works
  5. 5 RiyadhSaudi Arabia 62 works
  6. 6 GuangzhouChina 59 works
  7. 7 LondonUnited Kingdom 55 works
  8. 8 TokyoJapan 48 works
  9. 9 New YorkUnited States 46 works
  10. 10 New DelhiIndia 44 works

Where it is the local speciality

  1. BirminghamUS · 22.6 works6.7×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Dietary Effects on Health than the world average.

See Dietary Effects on Health on the map

Where is the best place to study Dietary Effects on Health?

Among universities, judged by research, Harvard University, University of Alabama at Birmingham and Chinese University of Hong Kong 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%10%20%30%mean 18.95%fractional works in this field (log) →share of work in the world top 10% →China Agricultural U…Harvard UniversityChinese University o…University of Alabam…
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.

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 89.020.0%2.8×48 +26.9%
2University of Alabama at BirminghamUnited States 66.015.9%8.1×21 +39.7%
3Chinese University of Hong KongChina 61.019.6%2.6×10 +154.8%
4China Agricultural UniversityChina 60.724.7%3.6×11 +63.4%
5University of SharjahUnited Arab Emirates 60.612.7%9.3×13 +413.9%
6Southern Medical UniversityChina 58.622.8%3.4×11 +150.8%
7Washington University in St. LouisUnited States 57.718.3%2.7×10 +77.6%
8Shanghai Jiao Tong UniversityChina 57.016.1%1.4×22 +85.3%
9University of Illinois ChicagoUnited States 56.620.3%4.9×14 -1.5%
10Sichuan UniversityChina 55.819.1%1.6×20 +191.2%

Universities only. The score blends 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 Dietary Effects on Health, country by country

Is Dietary Effects on Health research growing?

Output in 2022-2025 was 37% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Dietary Effects on Health.

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 Dietary Effects on Health as a percentage of every work published that year, 0.027% in 2024.

still counting0.010%0.020%0.030%Dietary Effects on Health0.027% in 202519801990200020102020

Fractional works of Dietary Effects on Health 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%Dietary Effects on Health10.3% 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.

Questions people ask

How much research is there on diet and health, and is it growing?

Output in 2022-2025 was 37% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Dietary Effects on Health.

Is Dietary Effects on Health research growing?
All 1,273 questions in the Question Catalogue

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