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A spokesperson for the Department for Education said: "We are committed to supporting young people living with Tourette's syndrome and other tic disorders and recognise the importance of research to better understand and find new treatments for Tourette's syndrome and other long-term conditions."

One child said suppressing their coughing tic had left them with an itchy feeling of a "flower in their throat".

"It provokes panic attacks, tic attacks, which can go on well into the night," said Louise.

Although he's long exhibited this rhetorical tic, in recent days he's really outdone himself.

All so they could video candidate Trump for Tic Toc, campaigning with his grin and signature thumbs up over the grave of a fallen soldier.