Britain's youngest dementia sufferer, who had the brain of a 70-year-old, has died at the age of 24.

Andre Yarham was told he had a form of early-onset dementia after his family noticed he was moving and speaking very slowly. He was diagnosed with frontotemporal dementia due to a protein mutation a month before his 23rd birthday.

Frontotemporal dementia is a rare form of the disease affecting about one in 20 people with dementia. Andre, from Dereham in Norfolk, passed away on December 27 in a hospice following an infection.

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Mum Sam Fairbairn, 49, paid tribute to her son and has donated his brain to science to battle the 'cruel' disease. The former coach driver said: "Andre was a cheeky lad with a great sense of humour. He had a heart of gold.