Ferriss apparently did some pretty hardcore self-experimentation.
Wired: What do you think is the most dangerous experiment that you tried for The 4-Hour Body?
Ferriss: I had a chemical cocktail injected to reverse injuries. It included BMP, bone morphogenetic protein, and there’s a risk of it fusing your vertebrae. In retrospect, I probably wouldn’t have included that.
Wired also summarized a bunch of Ferriss' conclusions in the form of a handy-dandy table (click the image below to embiggen):
More on The 4-Hour Body
here.
(Source:
Wired)
