I Swear review: Uplifting true story of Tourette’s campaigner gets the balance just right

Selected cinemas; Cert: 15A

Robert Aramayo gives a star turn in the sweet and salty biopic 'I Swear'

Long a kind of punchline for lazy comic writing, Tourette ­syndrome is a very real and very debilitating condition of which little was really understood until relatively recently.

That’s partly down to John Davidson, a Scottish awareness campaigner who is the subject of a delightful biopic from writer-director Kirk Jones ( Waking Ned , Nanny McPhee ).

Robert Aramayo is transfixing as the working-class Scot in the 1980s, struggling to fit in as an adult after being diagnosed with Tourette’s at 15 (portrayed during those early years by an equally superb Ellis Watson).

Rejected by school and eve

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