It's World Psoriasis Day! Hear a global view of issues that impact psoriasis and psoriatic arthritis - from access to treatment, stratification of psoriasis, the Global Psoriasis Atlas, and what all this means from dermatologist Dr. Jonathan Barker, current President of the International Psoriasis Council and Professor of Medical Dermatology at St. John's Institute of Dermatology, King's College in London, and Kathleen Gallant, a board member of the NPF who also serves as the board's representative with the International Federation of Psoriasis Associations (IFPA).