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CDC Flags GLP-1, Antidepressants, Beta-Blockers Heightening Heat Illness Risk

7/6/2026

Summary

Story summary

The CDC warns that GLP-1 drugs, antidepressants and beta-blockers raise heat-related illness risk.
The agency says these medicines can cause dehydration, reduced sweating, impaired thermoregulation and cognitive problems.
Dr. David Cutler of Providence Saint John’s Health Center in Santa Monica urged patients to recognize medication-related heat intolerance.
Health officials advise staying cool, drinking water and seeking prompt care if symptoms appear during record-hot July heatwaves.

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Story summary

The CDC warns that GLP-1 drugs, antidepressants and beta-blockers raise heat-related illness risk.
The agency says these medicines can cause dehydration, reduced sweating, impaired thermoregulation and cognitive problems.
Dr. David Cutler of Providence Saint John’s Health Center in Santa Monica urged patients to recognize medication-related heat intolerance.
Health officials advise staying cool, drinking water and seeking prompt care if symptoms appear during record-hot July heatwaves.