Cameron only realizes her skin is burning when she smells singed flesh. She often burns her arms on the oven, but doesn't feel any pain to warn here.
That's because she is one of only two people known to have a rare genetic mutation.
It means she feels virtually painful, and doesn't feel anxious or afraid.
Along with her husband Jim and her anesthetist Dr. Devjit Srivastava, Jo is seen taking part in a chilli challenge.