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.
More top news
Fairly cloudy with outbreaks of rain. Improving slowly on Monday. Better Tuesday. Kerrie has the detail......
A trust which runs a historic railway has condemned a deliberate act of vandalism which has left eight vintage carriages badly damaged.
Weather for the next few days......