Letter to the editor (January 1, 2019) concerning the paper "Impact of air pollution on depression and suicide"

Nicola Magnavita, Francesco Chirico

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

1 Citazioni (Scopus)

Abstract

Gładka et al. [1], in their careful review of the literature, gave indications of how air pollution can influence the suicide rate. We must remember, however, that air pollution and global warming are both consequences of climate change and are deeply associated [2]. There is strong evidence that high ambient temperature is associated with the suicide risk, and increased morbidity and mortality among people with known mental health problems [3]. Many studies have highlighted the close relationships existing between heat waves and mental disorders, such as psychological exhaustion, anxiety, mood disorders, and dementia, as well as the association of extreme heat exposures with aggressive behaviors [4]. Our understanding of the combined effects of heat and air pollution on mental health and suicide is still limited [5]. Among other things, the increase in temperature accelerates metabolism, and this could increase the toxic effect of environmental pollutants. At present, we cannot say whether the association between the 2 factors is additive or multiplicative. Ultimately, we agree with Gładka et al. [1] that further research is needed to explore depression morbidity and suicide statistics. The comparison of geographical areas with high average concentrations of pollutants to those with low pollutants may be useful, but research should not neglect the confounding role played by heat wave. An epidemiological approach based on large population surveys, and the increasing availability of environmental and public health databases across the world [6], could be useful in gaining a better understanding of these complex relationships.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
Numero di pagine2
RivistaInternational Journal of Occupational Medicine and Environmental Health
DOI
Stato di pubblicazionePubblicato - 2019

Keywords

  • air pollution
  • climate change
  • epidemiology
  • global warming
  • mental health
  • suicide

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