The Duchess of Cambridge and Debilitating Morning Sickness

Published On: Dec 11 2012 03:41:53 PM EST   Updated On: Dec 11 2012 03:56:48 PM EST

VIDEO: The Duchess of Cambridge, Kate Middleton, suffers from a debilitating form of morning sickness. Palace officials say the princess has hyperemesis gravidarum. Channel 4's Scott Johnson spoke to a local doctor about this condition and a patient who is dealing with it as well.