Emotional Meltdown: High Temperatures Exacerbate Mental Health Conditions

Heat waves are hard on our brain’s chemistry and our moods.

Eric J. Kort MD
Wise & Well

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Illustration: created by the author using Midjourney.

This article is part of a Wise & Well Special Report: Extreme Heat and Human Health.

Despite the sweltering conditions, I needed to put forth an image of enthusiasm. I was the chaperone after all. But I was not sure how I was going to make it to the end of this stupid backpacking trip. And then we came to the river. Within minutes of entering the cold water I was living my best life.

Perhaps you can relate to feeling irritable and crabby on a hot summer day. But for those suffering from depression and other mood disorders, the symptoms — and the stakes — are considerably worse.

Heat and mental health symptoms

In the United States, rates of suicide increase in the hottest months of the year. And according to a study published this month, heat waves in particular are associated with rising levels of suicidality and hospitalization for mental health conditions.

The seasonal variation in mortality secondary to suicide. Data shown is for 2021, the latest year for which complete data is available. Data: CDC Vital Statistics Rapid Release, September, 2022.

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