You have the inputs, you have the outputs, now you can perform analysis to improve lifestyle health.
People are not calorie counters, they're intrinsically lazy, they'll mostly accept the defaults their fridge and cupboard tell them to do.
I think you could save millions of lives this way.
It's one of the elements in 1999 AD, the Ford corporation video made in the 60s, but it's never been implemented.
My father is a big guy, so I think about what I eat and I walk to work.
For most medical stuff I agree that an ounce of prevention is worth more than a pound of cure. But we don't need to create more tests and we certainly should think through creating businesses that want to create revenue from it. There is an insurance industry we need to contain.
Surprising that there aren't more, given that it's literally the #1 cause of death