The Health Secretary has accused doctors of refusing to carry out tests for dementia because they believe it is pointless as there is no effective cure available.
Jeremy Hunt said the country should be "ashamed" that so many people were being denied treatment which could stave off the condition for years.
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The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.
Thousands of people have donated to help the families of the victims - as well as a homeless man who came to their aid.
Some children, particularly those who have been more directly affected, may show symptoms of stress and trauma.