What is the role of climate change in the development of suicidal behaviors?

Updated: Jul 26, 2021
  • Author: Stephen Soreff, MD; Chief Editor: Glen L Xiong, MD  more...
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According to a large study analyzing temperature and suicides across the United States and Mexico, rising temperatures are linked to increasing rates of suicide. Results show that the rate of suicide rose by 0.7% in the United States and by 2.1% in Mexico when the average monthly temperature rose by 1C. Hotter periods resulted in more suicides irrespective of wealth and the usual climate of the area. Researchers project that unmitigated climate change could result in a combined 9000–40,000 additional suicides across the United States and Mexico by 2050. [84]

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