New figures from the Alzheimer's Society show that, in some parts of the East Midlands, just four in ten people with dementia are being diagnosed with the condition.
The charity says it's disappointing that the number of cases being spotted varies so greatly between different parts of the region.
Our correspondent Peter Bearne has been talking to one woman who says health professionals repeatedly refused to accept her elderly mother had the disease.
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Mainly dry with clear spells but possibly one or two light showers near coasts overnight, remaining largely dry on Sunday.
After a cool start, Sunday looks set to be a dry and bright day, with sunny spells.
A mother from Birmingham has issued a warning after her daughter, 4, was bitten by a spider.