So the Paleo Diet community (and Taubes/etc) would say that the greasy food is part of the solution (and that some perceptions of "fattening" food are wrong)

I am doing a low carb thing, and as far as my experience goes, I think they're right.

* Gene therapy to make unhealthy foods taste terrible

* Nanobots or symbiotic parasites to maintain the body [1]

[1] http://en.wikipedia.org/wiki/Parasites_Lost