Congenital Sun Hypersensitivity

CONGENITAL SENSITIVITY-

The clearest example of congenital sensitivity is albinism.  People born with this syndrome suffer from a hereditary defect in the production of melanin in their skins and they are more liable to contract cases of sunburn, their skins age more quickly than those of other people and they are at greater risk of developing skin cancer.  There are other, rare congenital diseases in which a person is born with normal skin color, but because of a defect in the repair of damage done to the DNA which was caused by exposure to ultraviolet radiation, he or she is sensitive to sun-induced damage and develops skin cancer.  An example of such a disease is xeroderma pigmentosum.  People suffering from this disease run a risk 1,000 times greater than non-suffers of developing skin cancer.

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