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    Article here. Long story short, headaches for astronauts seem to be related to certain activities, including the launch itself as well as staying up on the space station. However, the previously-assumed mechanism associated these headaches with space motion sickness. Looks like that's not really what's going on.

    Add to that the fact that some of these headaches were described as "disabling." If you've ever had a migraine, you know how godawful it feels. Research videos show migraine sufferers screaming, crying, beating their head against the wall to get it to stop (not kidding).

    Wondering what people think about two things:

    1. What is the underlying mechanism here, if it's not garden variety space motion sickness?

    2. What are the implications? What plans would you make for a catastrophic interpersonal event like several astronauts being afflicted with a disabling headache at the same time?

    As a random sidenote, The effects of spaceflight on organisms at the micro level has fascinated me since Salmonella sent up came down after twelve days with its virulence increased by a factor of three (if I remember right, the theory was that microgravity affected intracellular fluid and genetic expression). I haven't looked into the macro effects on humans much though, so I'm even more interested in what you all think about the above.