Dr. Richard Schulze was perhaps the #1 student of Dr. Christopher; Schulze was born with bad heart valves and not expected to live. He cured himself using cayenne, to such an extent he was called by fellow students of Christopher "Dr. Cayenne."
Schulze has cured thousands with "incurable" conditions. See his site herbdoc.com. He generally adds cayenne to any herb tincture he makes to amplify its effectiveness. Cayenne opens the capillaries and allows whatever herb or supplement you take better ingress to your cells.
Here is a link to a book he did "Curing with Cayenne:"