Running the Peachtree Road Race? Here's what you need to know

As thousands of runners get ready for the Peachtree Road Race this holiday weekend, race officials have issued a "red flag conditions" warning given the extreme heat and humidity. Dr. Lekshmi Kumar, an emergency medicine physician and the Co-Medical Director for the race, joins us to share some last-minute advice with runners. Pro-tip? If you are thinking about wearing a costume this year -- it would be wise to stick with light, moisture-wicking clothes.