The summer's first major heat wave has arrived. Our bodies do have natural ways to dissipate heat, but when temperatures get extreme, sometimes they just can't keep up. In this episode of Life Kit, learn how to keep cool, hydrated and safe in extreme heat. Learn more about sponsor message...

Drowning is the No. 1 cause of death for children ages 1-4 in the United States. To prevent drownings, make sure there's always a designated adult watching the water whenever kids are swimming. We'll cover other water safety tips to protect young swimmers safe this summer. Learn more about...