In the course of this reincarnation story, Beard manages to have his wife's research-student lover slip on a polar-bear rug, hit his head and die.

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Until now, clinicians have only been able to find CTE through autopsies, focusing their efforts on ex-athletes with a history of head injuries who tended to die after demonstrating some cognitive impairment.

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The immediate calls for his head from the Tories will now die away and he has certainly won himself a breathing space - but it is only that.

BBC: Byers wins a breathing space