Evidence map›Paper›PMID 38935403›Full record

ReviewEnvironmental health perspectives2024

The Role of Biodiversity in the Development of Asthma and Allergic Sensitization: A State-of-the-Science Review.

Inês Paciência, Needhi Sharma, Timo T Hugg, Aino K Rantala, Behzad Heibati, Wael K Al-Delaimy, Maritta S Jaakkola, Jouni J K Jaakkola

Abstract readReview
In one paragraph

Review in Environmental health perspectives, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Urban soilUrban forestry & urban greening · 2026
    Article
  2. Article
  3. Nature prescription for patients with chronic respiratory diseases.The World Allergy Organization journal · 2026
    Review
  4. Review
  5. Article
  6. Article
  7. Juglans regiaJournal of tropical medicine · 2025
    Article
  8. Article
  9. Article
  10. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Inês PaciênciaCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.
Needhi SharmaUniversity of California, San Diego, San Diego, California, USA.
Timo T HuggCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.
Aino K RantalaCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.
Behzad HeibatiCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.
Wael K Al-DelaimyUniversity of California, San Diego, San Diego, California, USA.
Maritta S JaakkolaCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.
Jouni J K JaakkolaCenter for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland.ORCID 0000-0003-4168-4683

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundChanges in land use and climate change have been reported to reduce biodiversity of both the environment and human microbiota. These reductions in biodiversity may lead to inadequate and unbalanced stimulation of immunoregulatory circuits and, ultimately, to clinical diseases, such as asthma and allergies.

objectiveWe summarized available empirical evidence on the role of inner (gut, skin, and airways) and outer (air, soil, natural waters, plants, and animals) layers of biodiversity in the development of asthma, wheezing, and allergic sensitization.

methodsWe conducted a systematic search in SciVerse Scopus, PubMed MEDLINE, and Web of Science up to 5 March 2024 to identify relevant human studies assessing the relationships between inner and outer layers of biodiversity and the risk of asthma, wheezing, or allergic sensitization. The protocol was registered in PROSPERO (CRD42022381725).

resultsA total of 2,419 studies were screened and, after exclusions and a full-text review of 447 studies, 82 studies were included in the comprehensive, final review. Twenty-nine studies reported a protective effect of outer layer biodiversity in the development of asthma, wheezing, or allergic sensitization. There were also 16 studies suggesting an effect of outer layer biodiversity on increasing asthma, wheezing, or allergic sensitization. However, there was no clear evidence on the role of inner layer biodiversity in the development of asthma, wheezing, and allergic sensitization (13 studies reported a protective effect and 15 reported evidence of an increased risk).

conclusionsBased on the reviewed literature, a future systematic review could focus more specifically on outer layer biodiversity and asthma. It is unlikely that association with inner layer biodiversity would have enough evidence for systematic review. Based on this comprehensive review, there is a need for population-based longitudinal studies to identify critical periods of exposure in the life course into adulthood and to better understand mechanisms linking environmental exposures and changes in microbiome composition, diversity, and/or function to development of asthma and allergic sensitization. https://doi.org/10.1289/EHP13948.

Indexed as

AsthmaBiodiversityHypersensitivityAnimalsEnvironmental ExposureHumansMicrobiota

Identifiers

PMID38935403
PMCPMC11218706

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.