heirs

Xeroderma Pigmentosum Xeroderma pigmentosum is a rare, hereditary disease in which certain enzymes in the skin of the affected individuals do not function. These enzymes normally repair the DNA, which can be damaged by sunlight or the UVB light it contains. The UVB damage can cause skin cancer in affected as well as in all … Xeroderma Pigmentosum | Genetic diseases