London 2012: Diabetes girl on carrying torch
16 July 2012 Last updated at 13:53 BST
As a five-year-old, Amy Wilton, from Fareham in Hampshire, was diagnosed with type one diabetes.
She has to inject insulin at least four times a day to control the level of sugar in her blood.
Otherwise Amy leads a normal life - she has just taken her GCSEs and will be off to college in September.
And that positive attitude led to her being chosen as a youth ambassador for a Juvenile Diabetes charity.
Earlier she carried the Olympic Torch through Midhurst in West Sussex.