It should help; Dr. Clark used what information was available to her. Yet ancient cultures all over the world must have found solutions to this pervasive problem too.
Just what I suspected. God would definitely make cures available everywhere...
So there must be more than Black-Walnut hull that works.
Best to use everything available; and get Black-Walnut too. Ginger, garlic, mustard seeds.. etc
Eating a clove of garlic a day, and got some clove pickles.