Hotter weather increases both suicide rates and the use of depressive language on social media, says a new study that analysed half a billion tweets. The research published in the journal Nature Climate Change suggests that the effects of climate change could be as devastating as the influence of economic recessions when it comes to increasing suicide rates. Projected temperature rise through 2050 could lead to an additional 21,000 suicides in the US and Mexico, the findings showed. To tease out the role of temperature from other factors, the researchers compared historical temperature and suicide data across thousands of US counties and Mexican municipalities over several decades. The team also analysed the language in over half a billion Twitter updates or tweets to further determine whether hotter temperatures affect mental well-being.
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