Your fate is not completely written in your DNA. Environmental conditions can certainly change your life significantly, and you can even control some risk factors to your benefit. Sure, some things like poverty
aren't quite under anyone's direct control (and it has a measurable detrimental effect on kids' DNA). But if you're looking for some more good reasons to make a new year's resolution, maybe think about how you can change your epigenetics for the better?
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post