He said it was likely hospitals would start using surgeons and theatres more to carry out operations that do not require bone cement.
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"People come into your office and say they're not having a very good day, or something's happened at home, and you have to try and see if you can support them. It's very varied."
The astronaut who experienced a medical issue in space last month has identified himself as the sick member of his crew prompting an evacuation from the International Space Station.