one way to keep the body safe from heat or cold is to dress for the season.In areas with cold winters people should wear thick snug clothing. snug clothing keeps the air that has been warmed by the body close to the skin This reduces the loss of body heat. Winter hats are important as about 40 percent of the heat that leaves the body leaves through the head. Being improperly dressed for the cold or staying out in the cold too long can lead to frostbite or hypothermia. Both of these conditions can be dangerous and may require medical treatment.