Exertional heat stroke occurs when people are exercising in excessively warm conditions and they become overheated to the point where their body cannot cool down effectively.
Classic heat stroke usually affects the very young and elderly. Older people are especially vulnerable since they are less able to notice the heat and their bodies do not cool down efficiently.
Too much clothing, dehydration and overexposure to very warm temperatures can be a dangerous combination.
Prevention and Treatment: