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Topic · Health, Toxicology and Mutagenesis

Health, Environment, Cognitive Aging

Health, Environment, Cognitive Aging is a research topic within Health, Toxicology and Mutagenesis. Science Explorer counts 23k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the concept of the exposome, which encompasses the totality of environmental exposures throughout a person's life, including external and internal factors, and their biological responses. The papers cover topics such as environmental epidemiology, omics-based biomarkers, cohort studies, and the impact of environmental factors on health and disease risks.

  • Exposome
  • Environmental Exposure
  • Epidemiology
  • Health
  • Omics
  • Biomarkers
  • Cohort Study
  • Public Health
  • Genetics
  • Disease Risk
Research works
23k
fractional, since 1950
In the world top 10%
2.4k
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+53%
the tick is no change
Largest producer
United States
46% of the 10 largest, 2022-now
Health, Environment, Cognitive Aging

Which countries lead Health, Environment, Cognitive Aging research?

By volume, the United States and China publish the most (3k and 1.2k works in 2022-now).

By volume, 2022-now

  1. 1 United States 3k works
  2. 2 China 1.2k works
  3. 3 United Kingdom 632 works
  4. 4 Canada 283 works
  5. 5 Germany 260 works
  6. 6 France 257 works
  7. 7 Italy 250 works
  8. 8 India 222 works
  9. 9 Netherlands 192 works
  10. 10 Spain 189 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: 46.3%China: 18.1%United Kingdom: 9.8%Canada: 4.4%6 others listed: 21.3%46%largest
United States2,973 · 46.3%China1,160 · 18.1%United Kingdom632 · 9.8%Canada283 · 4.4%6 others listed1,370 · 21.3%

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

Which institutions lead Health, Environment, Cognitive Aging research?

By volume in 2022-now, Harvard University publishes the most Health, Environment, Cognitive Aging research, followed by University of North Carolina at Chapel Hill and National Institutes of Health.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 157 works
  2. 2 University of North Carolina at Chapel HillUnited States 105 works
  3. 3 National Institutes of HealthUnited States 89 works
  4. 4 Johns Hopkins UniversityUnited States 67 works
  5. 5 InsermFrance 57 works
  6. 6 University College LondonUnited Kingdom 54 works
  7. 7 Columbia UniversityUnited States 52 works
  8. 8 University of TorontoCanada 51 works
  9. 9 Peking UniversityChina 49 works
  10. 10 University of Southern CaliforniaUnited States 48 works

Who are the leading researchers in Health, Environment, Cognitive Aging?

The most-cited researchers publishing on Health, Environment, Cognitive Aging include David Moher, Douglas G. Altman and Ahmedin Jemal.

  1. 1 David Moher Canada 898k citations
  2. 2 Douglas G. Altman United Kingdom 862k citations
  3. 3 Ahmedin Jemal United States 761k citations
  4. 4 Christopher J L Murray United States 583k 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 Health, Environment, Cognitive Aging?

The most cited paper in Health, Environment, Cognitive Aging is "UK Biobank: An Open Access Resource for Identifying the Causes of a Wide Range of Complex Diseases of Middle and Old Age" (Cathie L. M. Sudlow, John Gallacher, Naomi E. Allen et al., 2015), with 13,925 citations. Next come "A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010" (12,027) and "NIA‐AA Research Framework: Toward a biological definition of Alzheimer's disease" (10,885).

Most cited papers
#PaperReleasedCitations
1 UK Biobank: An Open Access Resource for Identifying the Causes of a Wide Range of Complex Diseases of Middle and Old Age Cathie L. M. Sudlow, John Gallacher, Naomi E. Allen et al. · PLoS Medicine Open access 31 Mar 2015 13,925
2 A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010 Stephen S Lim et al. · The Lancet Open access209 authors Dec 2012 12,027
3 NIA‐AA Research Framework: Toward a biological definition of Alzheimer's disease Clifford R. Jack et al. · Alzheimer s & Dementia Open access Apr 2018 10,885
4 Global burden of 87 risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 Christopher J L Murray et al. · The Lancet Open access940 authors Oct 2020 9,961
5 Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015 Mohammad Hossein Forouzanfar et al. · The Lancet Open access654 authors Oct 2016 7,829
All 100 most cited papers, with filters and sorting

Where is Health, Environment, Cognitive Aging research done?

The largest centres of Health, Environment, Cognitive Aging research in 2022-now are Beijing (China), London (United Kingdom), New York (United States) and Boston (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Chapel Hill, Bethesda and Bristol.

Largest cities, 2022-now

  1. 1 BeijingChina 229 works
  2. 2 LondonUnited Kingdom 224 works
  3. 3 New YorkUnited States 169 works
  4. 4 BostonUnited States 125 works
  5. 5 Chapel HillUnited States 105 works
  6. 6 ParisFrance 100 works
  7. 7 BaltimoreUnited States 100 works
  8. 8 ShanghaiChina 95 works
  9. 9 CambridgeUnited States 91 works
  10. 10 GuangzhouChina 88 works

Where it is the local speciality

  1. Chapel HillUS · 104.5 works7.1×
  2. BethesdaUS · 66.9 works6.8×
  3. BristolGB · 44.0 works6.0×
  4. DurhamUS · 57.0 works5.9×
  5. BaltimoreUS · 99.8 works5.1×
  6. New HavenUS · 47.3 works5.0×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Health, Environment, Cognitive Aging than the world average.

See Health, Environment, Cognitive Aging on the map

Where is the best place to study Health, Environment, Cognitive Aging?

Among universities, judged by research, Harvard University, Utrecht University and University of Southern California 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%mean 13.35%fractional works in this field (log) →share of work in the world top 10% →Utrecht UniversityHarvard UniversityUniversity of Southe…University College L…
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 82.014.7%6.9×157 +36.7%
2Utrecht UniversityNetherlands 70.718.1%6.1×32 +15.0%
3University of Southern CaliforniaUnited States 68.014.3%8.0×48 +38.6%
4University College LondonUnited Kingdom 63.611.4%4.7×54 +35.2%
5Karolinska InstitutetSweden 63.311.6%8.8×36 +92.0%
6Stanford UniversityUnited States 62.815.3%2.9×30 +28.4%
7Yale UniversityUnited States 60.211.9%5.5×43 +36.5%
8University of CambridgeUnited Kingdom 59.813.1%3.1×26 +19.0%
9Johns Hopkins UniversityUnited States 59.69.5%6.0×67 +62.7%
10Imperial College LondonUnited Kingdom 58.913.6%4.2×30 +9.0%

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 Health, Environment, Cognitive Aging, country by country

Is Health, Environment, Cognitive Aging research growing?

Output in 2022-2025 was 53% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Health, Environment, Cognitive Aging.

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 Health, Environment, Cognitive Aging as a percentage of every work published that year, 0.036% in 2024.

still counting0.020%0.040%Health, Environment, Cognitive Aging0.039% in 202519801990200020102020

Fractional works of Health, Environment, Cognitive Aging 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%Health, Environment, Cognitive Aging10.1% 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.

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