Psoriasis is one of the most frequent chronic inflammatory dermatoses in the world, with variable prevalence globally. Important factors in the variation of the prevalence of psoriasis include age, gender, geography, and ethnicity, probably due to genetic and environmental factors. Higher prevalence rates have been reported at higher latitudes and in Caucasians compared with other ethnic groups.
The US accounted for around 8 million diagnosed prevalent cases of psoriasis in 2022. Among the prevalent cases, nearly 99% of cases were found in adults, while only 1% of the cases were contributed by the pediatric population. ~80% of people experience poor men...
