Evidence map›Paper›PMID 25913182›Full record

SynthesisInternational journal of environmental research and public health2015

Mental health benefits of long-term exposure to residential green and blue spaces: a systematic review.

Mireia Gascon, Margarita Triguero-Mas, David Martínez, Payam Dadvand, Joan Forns, Antoni Plasència, Mark J Nieuwenhuijsen

Registry-linked trialAbstract readSystematic Review
In one paragraph

Synthesis in International journal of environmental research and public health, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06483126 (The Benefits of Nature for Mood and Cognition in Persons With and Without Parkinson's Disease), which is not on this map. Cited by 341 papers, 23 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
341citing papers in PubMed, 23 pooled it
–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.

NCT06483126 completednot on this mapstarted 2024, after this paper: background citation

The Benefits of Nature for Mood and Cognition in Persons With and Without Parkinson's Disease

TypeobservationalSponsorBoston University Charles River CampusRan2024 to 2025Enrolled97ConditionsParkinson Disease, Mood, Cognition
3 · Its place in the literature

Who cites it

341 citing papers in PubMed, 23 syntheses or guidelines pooled it.

  1. Pooled it
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  3. Investigation of Epistemic Equity in Urban Green Space and Mental Health Research: A Systematic Review.International journal of environmental research and public health · 2026
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  9. The Residential Environment and Health and Well-Being of Chinese Migrant Populations: A Systematic Review.International journal of environmental research and public health · 2023
    Pooled it
  10. Restorative Effects from Green Exposure: A Systematic Review and Meta-Analysis of Randomized Control Trials.International journal of environmental research and public health · 2022
    Pooled it
  11. Long-Term Exposure to Greenspace and Cognitive Function during the Lifespan: A Systematic Review.International journal of environmental research and public health · 2022
    Pooled it
  12. Effects of Indoor Plants on Human Functions: A Systematic Review with Meta-Analyses.International journal of environmental research and public health · 2022
    Pooled it
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  14. Therapeutic Landscapes and Psychiatric Care Facilities: A Qualitative Meta-Analysis.International journal of environmental research and public health · 2022
    Pooled it
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  16. Green Space Quality and Health: A Systematic Review.International journal of environmental research and public health · 2021
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  17. Green Space and Health in Mainland China: A Systematic Review.International journal of environmental research and public health · 2021
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281 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Mireia GasconISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB), Hospital Clínic-Universitat de Barcelona, Barcelona 08036, Spain. mgascon@creal.cat.
Margarita Triguero-MasParc de Recerca Biomèdica de Barcelona (PRBB), Centre for Research in Environmental Epidemiology (CREAL). Doctor Aiguader, 88, 08003 Barcelona, Catalonia, Spain. mtriguero@creal.cat.
David MartínezParc de Recerca Biomèdica de Barcelona (PRBB), Centre for Research in Environmental Epidemiology (CREAL). Doctor Aiguader, 88, 08003 Barcelona, Catalonia, Spain. dmartinez@creal.cat.
Payam DadvandParc de Recerca Biomèdica de Barcelona (PRBB), Centre for Research in Environmental Epidemiology (CREAL). Doctor Aiguader, 88, 08003 Barcelona, Catalonia, Spain. pdadvand@creal.cat.
Joan FornsParc de Recerca Biomèdica de Barcelona (PRBB), Centre for Research in Environmental Epidemiology (CREAL). Doctor Aiguader, 88, 08003 Barcelona, Catalonia, Spain. jforns@creal.cat.
Antoni PlasènciaISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB), Hospital Clínic-Universitat de Barcelona, Barcelona 08036, Spain. antoni.plasencia@isglobal.org.
Mark J NieuwenhuijsenParc de Recerca Biomèdica de Barcelona (PRBB), Centre for Research in Environmental Epidemiology (CREAL). Doctor Aiguader, 88, 08003 Barcelona, Catalonia, Spain. mnieuwenhuijsen@creal.cat.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many studies conducted during the last decade suggest the mental health benefits of green and blue spaces. We aimed to systematically review the available literature on the long-term mental health benefits of residential green and blue spaces by including studies that used standardized tools or objective measures of both the exposures and the outcomes of interest. We followed the PRISMA statement guidelines for reporting systematic reviews and meta-analysis. In total 28 studies were included in the systematic review. We found limited evidence for a causal relationship between surrounding greenness and mental health in adults, whereas the evidence was inadequate in children. The evidence was also inadequate for the other exposures evaluated (access to green spaces, quality of green spaces, and blue spaces) in both adults and children. The main limitation was the limited number of studies, together with the heterogeneity regarding exposure assessment. Given the increase in mental health problems and the current rapid urbanization worldwide, results of the present systematic review should be taken into account in future urban planning. However, further research is needed to provide more consistent evidence and more detailed information on the mechanisms and the characteristics of the green and blue spaces that promote better mental health. We provide recommendations for future studies in order to provide consistent and evidence-based recommendations for policy makers.

Indexed as

EnvironmentMental HealthHumansUrban Health

Identifiers

PMID25913182
PMCPMC4410252

What OpenQuestion holds

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Registered trials

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.