Cited by 446Climate Change and Health ImpactsPublic Health and Environmental IssuesAir Quality and Health Impacts

Health Effects of Drought: a Systematic Review of the Evidence

Open access
Stanke, Carla, Kerac, Marko, Prudhomme, Christel, Medlock, Jolyon, Murray, Virginia·2013·PLoS Currents

Abstract

Introduction. Climate change projections indicate that droughts will become more intense in the 21 century in some areas of the world. The El Niño Southern Oscillation is associated with drought in some countries, and forecasts can provide advance warning of the increased risk of adverse climate conditions. The most recent available data from EMDAT estimates that over 50 million people globally were affected by drought in 2011. Documentation of the health effects of drought is difficult, given the complexity in assigning a beginning/end and because effects tend to accumulate over time. Most health impacts are indirect because of its link to other mediating circumstances like loss of livelihoods. Methods. The following databases were searched: MEDLINE; CINAHL; Embase; PsychINFO, Cochrane Collection. Key references from extracted papers were hand-searched, and advice from experts was sought for further sources of literature. Inclusion criteria for papers summarised in tables include: explicit link made between drought as exposure and human health outcomes; all study designs/methods; all countries/contexts; any year of publication. Exclusion criteria include: drought meaning shortage unrelated to climate; papers not published in English; studies on dry/arid climates unless drought was noted as an abnormal climatological event. No formal quality evaluation was used on papers meeting inclusion criteria. Results. 87 papers meeting the inclusion criteria are summarised in tables. Additionally, 59 papers not strictly meeting the inclusion criteria are used as supporting text in relevant parts of the results section. Main categories of findings include: nutrition-related effects (including general malnutrition and mortality, micronutrient malnutrition, and anti-nutrient consumption); water-related disease (including E coli, cholera and algal bloom); airborne and dust-related disease (including silo gas exposure and coccidioidomycosis); vector borne disease (including malaria, dengue and West Nile Virus); mental health effects (including distress and other emotional consequences); and other health effects (including wildfire, effects of migration, and damage to infrastructure). Conclusions. The probability of drought-related health impacts varies widely and largely depends upon drought severity, baseline population vulnerability, existing health and sanitation infrastructure, and available resources with which to mitigate impacts as they occur. The socio-economic environment in which drought occurs influences the resilience of the affected population. Forecasting can be used to provide advance warning of the increased risk of adverse climate conditions and can support the disaster risk reduction process. Despite the complexities involved in documentation, research should continue and results should be shared widely in an effort to strengthen drought preparedness and response activities.

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Crossref · 10.1371/currents.dis.7a2cee9e980f91ad7697b570bcc4b004

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  • High ambient temperatures are associated with worse sleep quantity and quality.

    “High ambient temperatures are associated with worse sleep quantity and quality. 101–106”

    From The 2024 report of the Lancet Countdown on health and climate change: facing record-breaking threats from delayed action (2024) · cites this paper as [102]

    The Results section discusses heat waves in relation to drought, mortality, and wildfires, but does not address sleep quantity or quality. Searches for sleep quality, insomnia, and sleep disturbance found no passage linking ambient temperature to sleep outcomes in our copy. (LLM, conf=0.75)

    Experimental — accuracy not yet measured
  • Extreme heat can affect human mental health outcomes across a continuum of severity, from subclinical to life-altering.

    “Extreme heat can affect human mental health outcomes across a continuum of severity, from subclinical to life-altering.102,142–147”

    From The 2024 report of the Lancet Countdown on health and climate change: facing record-breaking threats from delayed action (2024) · cites this paper as [102]

    The Results section discusses mental-health effects of prolonged drought, including distress, but does not attribute them to extreme heat. Its separate heat-wave discussion reports mortality, not mental-health outcomes. Searches for heat-related mental-health effects and the proposed range of severity found no passage addressing the claim. (LLM, conf=0.75)

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Research works printed but not linked: 1

  1. [167]IPCC (2007) Climate Change 2007: Synthesis Report. Contribution of Working Groups I, II and III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Core Writing Team, Pachauri, R.K and Reisinger, A. (eds.)]. IPCC, Geneva, Switzerland.

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Authors
Stanke, C., Kerac, M., Prudhomme, C., Medlock, J., & Murray, V.
Affiliations
  • Health Protection Agency (GB)
  • Public Health England (GB)
  • UK Centre for Ecology & Hydrology (GB)
Venue
PLoS Currents
Published
2013
Volume
5
ISSN
2157-3999 (ISSN-L)
OpenAlex
W2103312853
Cited by
441
References
170
Citations by year
2026: 25 · 2025: 44 · 2024: 57 · 2023: 42 · 2022: 61 · 2021: 48 · 2020: 43 · 2019: 24 · 2018: 29 · 2017: 18 · 2016: 23 · 2015: 12 · 2014: 12 · 2013: 3
FWCI
1.98
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • PLoS Currents (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • NERC Open Research Archive (Natural Environment Research Council) (acceptedVersion)
  • LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Wellcome Trust (101113)
  • National Institute for Health and Care Research (ACF-2008-18-010, CL-2012-18-005)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Climate Change and Health Impacts
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Public Health and Environmental Issues
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
Keywords
drought, climate change, ENSO, malnutrition, waterborne diseases, coccidioidomycosis, vector-borne diseases, malaria, dengue, West Nile virus, mental health, migration, disaster risk reduction, drought preparedness, population vulnerability

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