Heat's impact on mental health
Studies indicate that heatwaves, starting from 32 degrees Celsius, cause significant damage to the human brain. The body directs its energy and resources toward regulating its temperature through sweating and blood vessel dilation, which leads to reduced oxygen and glucose supply to the nerve cells responsible for thinking and concentration. This deficiency impairs mental ability by up to 20%, particularly affecting individuals with psychological disorders such as depression and schizophrenia, due to disturbances in temperature regulation or the use of medications that reduce sweating. These factors increase the risk of dehydration and elevated internal temperatures. Research shows that rising temperatures also lead to higher rates of psychological relapses and suicide, as the brain becomes drained through neurochemical and hormonal stress responses.
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