It's not uncommon for a health insurance plan to assign mental claims to a separate, and nastier, review process than the one it uses for other claims.

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The Labour leader is setting up a taskforce - led by the chairman of Barts Health NHS Trust, Stephen O'Brien - to draw up a strategic plan for mental health in society.

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The rationale for the creative-thinking questions is that they test the type of mental processes used in inventing a new product or developing a new business plan.

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Once the robot can do this the researchers plan to disrupt the memories in a bid to recreate the gradual loss of mental faculties seen in diseases such as Alzheimer's and Parkinson's.

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