The Science of Fasting: How a 1911 Book Predicted What We Now Prove
Upton Sinclair's 1911 fasting guide made claims modern science is now verifying. Here's what the book got right — and where it fell short by today's standards.
In 1911, a bestselling American journalist published a book arguing that controlled fasting could reverse chronic illness, clear the body of accumulated toxins, and restore health where years of medical treatment had failed. The medical establishment dismissed him. The New York Times called him a "shallow and unscrupulous sensationalist." Doctors ignored the book almost entirely — only two physicians were among the 600–800 readers who wrote to him after it appeared in Cosmopolitan magazine. More than a century later, some…
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