Trichothiodystrophy SyndromesLoose Anagen Hair SyndromeHair DiseasesXeroderma PigmentosumHairXeroderma Pigmentosum Group D ProteinNailsNail DiseasesSyndromeSulfurMenkes Kinky Hair SyndromeTranscription Factor TFIIHPhotosensitivity DisordersIchthyosisCockayne SyndromeBone NailsDNA RepairAging, PrematureUltraviolet RaysDNA HelicasesEchinodermataSulfur CompoundsHair FolliclePyrimidine DimersTranscription Factors, TFIINails, IngrownDown SyndromeHair Cells, AuditoryMetabolic Syndrome XMutationNail BitingDNA-Binding ProteinsTranscription FactorsProteinsSulfur DioxideDiabetic KetoacidosisSulfur Isotopes