Sophie Mattes suffers from a rare condition called Gastroparesis. The condition prevents her from experiencing feelings of hunger.
Here's Liz Wickham's full report into Sophie's daily struggles.
More top news
Police are looking for a man who sexually assaulted a 12-year-old girl at a London train station yesterday while she was with her family.
A gang of robbers who dressed in burkas to stage raids on high-end stores in London have been convicted today.
The retrospective is so in-demand the museum will open its doors all through the night for the first time since it opened in 1857.