A report by the Alzheimer's Society suggests 80 per cent of people living in care homes have dementia and most are not getting the support they need.
The report has led to widespread criticism of the care home sector, as it claims that nearly three quarters of adults are scared of going to live in a home.
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MPs called for better support for working fathers to help them care for their children.
Some 20% of carriageways in England and Wales have less than five years of life remaining before they become unusable, researchers said.
The star - who played Miranda Hobbes in the hit New York-set show - posted a message on Twitter announcing her run.