Now Here's a Diet Book: Don't Eat Anything At All!

The concept of Breatharianism is one that discusses starvation as a spiritual practice.  It is clear that humans can subsist on far less food than western societies consume.  But it is also clear that entire societies would REALLY benefit from widespread Breatharian practices because they have no food.  My suggestion is that all Breatharians become missionaries.  No more hanging out in spiritual retreats, if you've got a knack for living without food, then we need you to be on call. 

Here's an in depth look at a variety of Breatharians. 

Personally, I'm not here yet.  I haven't even given up meat, so I suppose I'm still way down on the whole perfect meal scale.