we'll see what happens with this generation that I have participated in ...
it's looking to track 5M ppl longitudinally (UK wide)
more info:
https://en.wikipedia.org/wiki/Our_Future_Health
edit, I will say as an academic that uses ML/AI a lot, that a central repository of UK DNA does frighten me somewhat, but we're foraying into the unknown beyond our consciousness anyway might as well go "balls deep" if going at all.