they are. >> we brought what, 12 bottles of water around a bottle of gatorade. >> [inaudible]. >> that is smart. >> we thought we were going to die of heat. >> that is realistic concern for some folks. here is what you need to know about heat. the body normally cools itself by sweating but under some conditions it simply can't do that to the extent it needs to cool off the body. those at greatest risk are young children and those over 65 years old. those overweight or on certain medications are also at risk. best way to keep cool? drink cold, nonalcoholic beverages. get plenty of rest which is not too he easy when hot, hot in your house or take a cool shower or bath to bring the body temperature down a little bit. dangerous situation. gregg: especially for the young and the elderly. try to stay in the shade. martha: and try to check in on them as he was saying. gregg: that's right. those are some of the stories we're following on