Sinclair's book on fasting, from 1923 by the famous author
Key Takeaways:
Sinclair popularizes fasting for a mass audience, recounting his own repeated fasts and compiling testimonies from others who claim dramatic health improvements.
He portrays fasting as a simple, low‑cost remedy that often outperforms drugs and surgery for chronic ailments.
The book challenges medical orthodoxy by arguing that doctors ignore or ridicule fasting because it is unprofitable and undermines their authority.
Sinclair’s tone is evangelical but also investigative, framing fasting as a public experiment the whole nation should try.