LLMs were actually not that great so far in the preventative side / risk prediction. They are very good if you already have the disease but if you are trending there they were chill about it. The better way would be to first calculate the risks via deterministic algos and then do differential diagnosis. So something that specialized doc would do. This is an example of an online tool, that does it like that: https://www.longevity-tools.com/liver-function-interpreter