Professor Caitriona Ryan, Consultant Dermatologist at the Institute of Dermatologists, and Raisa Boyd,  who has suffered from psoriasis since she was 14, joined The Last Word to discuss the condition, as well as an ongoing study in UCD.

Catch the full chat by pressing the 'Play' button on this page.

If you are over 18 years old, have psoriasis, have not previously been diagnosed with psoriatic (pronounced sir-e-at-ik) arthritis, and are interested in taking part in this UCD research study, visit www.hpos.study