Professor John Speakman, who co-ordinated the study, said that in evolutionary terms fitness was made up of two things: survival and the ability to reproduce.

约翰·斯皮克曼教授协调此项研究，称从进化角度看，健康由两要素构成：生存和再生产的能力。

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Mark Speakman, consultant urological surgeon at Taunton and Somerset NHS Trust, said the trial was being conducted randomly.

BBC: Enlarged prostate device trialled by NHS

Firefighter Garry Speakman, from Manchester, hopes to break the record for the fastest marathon in full fire uniform.

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Mr Speakman said he hoped this would allow them to compare the results of the two types of operation accurately.

BBC: Enlarged prostate device trialled by NHS