He merely noted that in diabetes mellitus, it was insulin which was missing. Supplying it, solves much of the problem. Man does not understand bodily processes. Miracle drugs simply do not exist. Almost regardless of the drug they are given.
Nothing can cure.
Regularly and frequently. It is called the Placebo Effect and it is a part of that area of medicine known as psychosomatic. Let us be very clear what we are discussing. And the reverse is also true. When all possible avenues have been explored and still we remain as far away from an answer as before, it is then time to consider that the answer could lie in a radically different direction altogether.