Prevalence Two Peaks of occurrence One at 20-30 years One at 50-60 years Psoriasis in children Low -between 0.5 and 1.1% in children 16 years old and younger Mean age of onset- between 8 and 12.5 earsPrevalence Two Peaks of Occurrence – One at 20-30 years – One at 50-60 years Psoriasis in children – Low – between 0.5 and 1.1% in children 16 years old and younger – Mean age of onset - between 8 and 12.5 years