If not, it will lead to heat exhaustion. Heat Exhaustion . Exhaustion is caused by excessive fluid loss. Increased sweating, high body temperature, cool wet skin and some lack of coordination are signs of heat exhaustion. Heat Stroke .
Heat stroke is extremely serious and can be fatal.
Requires immediate medical attention. Cold Weather Risks Frost bite . In frostbite, body parts, especially the fingers, toes and nose, become frozen, which can eventually lead to the destruction of the tissue. Signs include numbness and pale grayish discoloration in the skin. Frostbite can lead to loss of a body part.