Alzheimer's disease is often diagnosed by effectively looking at the amount of sugar in the brain with an injection of radio-labelled sugar and PET imaging.

阿尔茨海默氏症通常是由有效地金额寻找诊断糖在用无线电标记的糖及PET显像注入大脑。

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But the amount has been labelled "astounding" by the public service union, Unison.

BBC: Torquay Council spends millions on outside 'experts'