public service loan forgiveness should be a viable option for those planning on academics or working for a non profit corp (which is 75% of hospitals).
5 years paying an average of 5000 or so per year in loan debt. Followed by 5 years paying a maximum of 22k I believe. To pay the max you'd have to make roughly 150k or more. Total paid would be around 135k. Which would be less than principal for most of us, let alone interest. If you don't fast track or do a research fellowship (like myself), your total paid will be 115k for 6 years of residency, worst case. And even less if you do a research fellowship that isn't bundled in a combined program (minimum 7 years total training). And of course, if you make less than 150k as an attending, you'll save money there too.
All in all, it's a pretty decent plan especially since you aren't paying a heck of a lot during residency.