DefinitionHypothermia is dangerously low body temperature, below 95 F (35 C).Alternative NamesLow body temperature; Cold exposureConsiderationsPersons most likely to experience hypothermia include those who are:Very old or very youngChronically ill, especially who have heart or blood flow problemsMalnourishedOverly tiredUnder the influence of alcohol or drugsCausesHypothermia occurs when more heat is lost than the body can generate. It is usually caused by extended exposure to the cold.Common causes include:Being outside without enough protective clothing in winter.Falling overboard from a boat into cold water.Wearing wet clothing in windy or cold weather.Heavy exertion, not drinking enough fluids, or not eating enough in cold weather.SymptomsAs people develop hypothermia, their abilities