Psoriasis is a chronic skin condition caused by an overactive immune system that speeds up skin cell growth. It manifests as itchy, flaky red skin, and can also lead to other health issues including arthritis, depression and diabetes, but contrary to popular belief, it's not contagious.It affects around 125 million people globally, and of those millions of people are several celebrities who have been diagnosed.
From former Loose Women host Saira Khan to Strictly Come Dancing's Aljaž Škorjanec, here's everything they've had to say about living with psoriasis, in honour of World Psoriasis Day.WATCH: Judy Murray on life and skincareLoose Women star Saira Khan has suffered with psoriasis since childhood.
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