As the government prepares to double its investments in dementia research, ITV News' Health Editor Catherine Jones, says a cure needs a "global endeavour".
She speaks to Alzheimer's patient Sylvia in this special report.
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Facebook's automated 'year in review' feature brought up images of some users' relatives who died this year.
Have you used City Link, and don't know what to do about your post? Advice here.
Expect a bright day today with plenty of winter sunshine and clear blue skies across the country.