Service Member wearing military helmet and equipment looks hot outdoors after a military fitness exercise

Heat Illness Pocket Prevention Guide

The U.S. Army Public Center (USAPHC) prepared this heat illness pocket guide, primarily for Soldiers and leaders. It summarizes key information on heat-associated hazards, individual risk factors, heat illness controls, warning signs and symptoms, mental status assessment, and exercise-associated hyponatremia, plus a table of work/rest times and fluid replacement. The full document (PDF format) is available at

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