In this week’s Keeping Kids Healthy column, Drs. Sally Robinson and Keith Bly discuss the perennial issue of leaving children alone in hot cars. Every year, they say, there are new reports of children dying after being left alone in a car on a hot day. The interior of a care can heat up to 122 degrees in less than 20 minutes. Within 40 minutes, a child left inside a car for that length of time can die.