Even young and fit urged to skip runs and too many beers in heatwave

• Cardiac arrests increase during heatwaves across all age groups, not just in elderly or vulnerable populations, necessitating broader public health messaging
• Young and fit individuals should modify exercise intensity and reduce alcohol consumption during extreme heat to mitigate cardiovascular stress
• Healthcare professionals should heighten vigilance for heat-related cardiac events and counsel all patients—regardless of age or fitness level—on heat safety precautions

Cardiac arrests have gone up during very hot weather, and it's not just among the elderly and frail, experts are warning.

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