National Psoriasis Foundation adopts new disease severity definition

The National Psoriasis Foundation issued a new position statement that clarifies the definition of psoriasis disease severity.
The new criteria define psoriasis severity as “mild” or “moderate to severe.” The update was made to address lingering misconceptions that limit patient access to appropriate care, according to the National Psoriasis Foundation (NPF).
Historically, psoriasis severity was classified as mild, moderate or severe based solely on the percentage of body surface area covered by psoriatic lesions. However, the three-class system underestimated severity of disease when








