When a medical emergency happens in space, how is it treated? And what does life in Antarctica have to teach us about staying healthy on a spaceflight?

Findings from a large study of Australian teenagers find links between school connection, sleep and mental health trajectories through adolescence.

If you have a shoulder injury and suspect it's the rotator cuff, should you have a scan? You might find more than you bargained for.

And how badly should you want to hang on to your appendix in the case of appendicitis? Is it better to jettison it or keep it in there?

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