Better check to see which genes you have inherited--that is usually what determines what's going to knock you off.
I wonder how many people who oppose this idea are fat or are smokers.
Hey, maybe insurance companies should be allowed to get our DNA from blood work they're paying for. And then charge us according to our pre-dispositions for certain diseases. /sarcasm.
There always is a battle to maintain a balance between actuarial-driven cost modeling and privacy. I think there can be some basic adjustments for behavior, but they need to be very tightly controlled so they don't get out of hand.