It's a rare condition in which even minimal amounts of UV radiation are deadly to the skin. Left untreated, a child will likely die before age 10. Sadly, xeroderma pigmentosum has devastated the local population of a small Guatemalan town. Dr. Bari Cunningham, associate professor of pediatric dermatology at the University of California, San Diego School of Medicine, talks with host Dr. Andrew Krakowski about a journey through the wilderness of Guatemala, where the autosomal recessive disease has cast a shadow on life in this village. But a new day may be dawning for these people, thanks to a support team that is now championing their cause.