A couple from Preston say cannabis oil is transforming their daughter's life.
Olivia Heary-Botham is two years old and blind. Until a couple of weeks ago she was experiencing around 100 epileptic fits a day
After her story appeared on Granada Reports the family were put in touch with a specialist in Mexico.
From there, he's treated Olivia and given her parents fresh hope.
Rachel Townsend reports.
You can visit and donate to Olivia's Just Giving page here.