It would be very useful to rate all sorts of things in terms of the effect on life expectancy so people could make educated decisions. Is one serving of beer/wi

It would be very useful to rate all sorts of things in terms of the effect on life expectancy so people could make educated decisions. Is one serving of beer/wine better or worse than being say 5kg over weight? Or 2 portions of red meat? Or living next to a main road? Without the ability to actually measure these numbers and compare them we don't actually know anything. This is data but not information...