Heat Exposure Injury and Its Prevention Heat exhaustion usually occurs after prolonged exposure to heat and/or heavy exercise in the heat resulting in increased loss of body fluids through heavy sweating.
How to Prevent Heat Exhaustion in Children Heat exhaustion is a concern for everyone in the summertime, but young children have an increased risk of heat illness, according to the Centers for Disease Control.
First Aid - Heat Exhaustion Heat exhaustion occurs when your heart and vascular system do not respond properly to high temperatures.