i am not sure what the answer is. i wonder if casting a much broader net, and collecting much more data, would help. maybe every patient should be tracked in some huge database that can then be trawled for correlations? but then the privacy (and insurance) implications are worrying - for me, it would not be such a hard choice, but others with more to lose would understandably object.
in some ways medicine has advanced hugely (for ~50% of sufferers, ms is no longer a big problem, which is awesome). yet there are sudden borders, and when you cross them, you are in the unknown...