Sort:  

A missionary visited and said he had just returned from the Far East and heard about something called yoga
When asked what yoga was, the missionary demonstrated breathing techniques

Daubard delayed the operation for a few weeks to attempt rehabilitation, which others thought was foolish

Rather than decline, he recovered and gained almost superhuman strength after adopting those breathing practices, and this occurred in the 1950s

An interview with the New York Times bestselling author of BREATH, James Nestor, discusses this story