On a Kirlian photograph, a type of photography, grass shows an aura that radiates 24 inches in diameter. This is more than any other vegetable. Or sonograms show us a picture of the fetus in the womb. That is a kind of camera of vibrations, too. High energy foods help us elevate our own energies.
Healing requires energy.
Recovery requires energy. Food is not the only source of energy. Laughter, for example is another. Love is another. But amongst the foods, wheatgrass is the highest energy giving food, that is why it is so healing.