It is a condition that causes memory loss, mental deterioration and confusion, and the number of people developing dementia in our region is rising.
More than eighteen hundred people were diagnosed last year, bringing the total to more than twenty thousand.
However, as Dan Ashby reports, charities say nearly the same number again are living with Dementia - without knowing it.
You can watch his full report below.
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Many areas dry over the next few days with variable cloud and cooler airflow
A dry day with bright or sunny spells. Rain comes through overnight into Sunday morning, before drier yet fresher weather develops
A look ahead at the forecast for the Tyne Tees region.