What is lupus?

Published On: Nov 26 2012 05:35:08 PM CST   Updated On: Nov 26 2012 06:07:43 PM CST

Nov. 26, 2012: Houston Rockets Head Coach Kevin McHale lost his daughter to lupus. It's a chronic disease that causes something to go wrong in the immune system. It's more common than you may think. Phillip Mena reports.