If you've ever been in hospital or found
That means doctors have a pretty good idea of what seriously ill looks like. However, they don't have the same level of detail about what a generally healthy person looks like -- the medical profession spends a lot less time and attention taking details from people that aren't obviously unwell.
Project Baseline, however, reckons healthy people could provide a wealth of data that could not only help predict if they're going to fall sick, but also be used to delay the onset of disease -- or even avoid it altogether.