If you go to his website and read the information
, this very strict regimen or diet, exercise, meditation, etc. has been shown to reduce artherolsclerosis (hardening of the arteries) .
That said, most of these diets do have you eating in a healthy way, and our bodies naturally respond to eliminating sugars, white flours, refined foods, animal byproducts, etc.
You do have to be cautious of adding supplements to your diet.