One in a hundred people suffer from Tourette's Syndrome, a neurological condition which causes physical and verbal tics.
Wales This Week has spent time with 17-year-old Joe Holloway, from Denbigh. His Tourette's has affected his family, his schooling and his life. He wants people to better understand how his condition affects his behaviour.
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Some locally heavy showers are possible overnight, particularly in the east, where some thundery downpours are possible.
Wayne Pivac praised Scarlets' attacking style as they secured the Guinness PRO12 title with a stunning 46-22 success against Munster.
Scarlets sealed a famous victory at the Aviva Stadium in Dublin with an emphatic 46-22 victory over Munster in the Guiness PRO12 final.