Trials are due to begin on a treatment for cystic fibrosis which replaces a faulty gene and stops mucus forming in the lungs.
Toni Hannon is from Ripon and her son Evan has the condition. When he's ill he coughs, has night sweats and panic attacks, vomits and is always tired.
She's raised money in the past for research into the illness.
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Mainly dry and bright today.