In March of 2008, we followed a team of doctors and surgeons to a remote Mayan village in Guatemala to investigate one of the most bizarre disease clusters in the world.

The disease is called XP, or Xeroderma Pigmentosum. People born with the disease develop dramatic skin cancers when exposed to any amount of sunlight. The team went to Guatemala to perform very invasive surgeries that they hoped would save the kid's lives. But they also had bigger aspirations - that what they learned from a rare genetic abnormality in a remote jungle village could apply to everyone at risk for skin cancer, the most common cancer in the world.

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