There are currently 800,000 people with dementia in the UK and 670,000 family and friends acting as primary carers, according to the latest estimates from the Alzheimer's Society.
The number of sufferers is estimated to rise to a million by 2021, and 1.7 million by 2051.
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It is the model and actress’s first daughter.
The baby’s full name is Neve Te Aroha Ardern Gayford.
The first LNER service will be the 7.54am departure from Newcastle to London King’s Cross.