Beyond skin damage and cancers that XP patients get, about one in five may also suffer from deafness, spastic muscles, poor coordination or developmental delays, according to the U.S.-based National Cancer Institute.
More than 20 people in this community of about 800 have XP. That's an incidence rate of about one in 40 people — far higher than the one in 1 million people in the United States who have it.