Alexander Keewatin Dewdney is a Canadiancomputer scientist and philsopher who has written a number of books on the future and implications of modern computing. He has also written one work of fiction The Planiverse. Dewdney lives in London, Ontario.
... all throughout human history, and probably pre-dates the emergence of effective medicine.
Quackery is still abundant today, herbal medicine[?], miracle cures, and diet ...