In 1924, decades before gluten was discovered to be the culprit, celiac disease was a black box of mystery. One approach that was thought to cure the disease was a diet rich in bananas. The exotic fruit, though, was not a cure, and as children recovered, wheat was reintroduced to their diets, causing various health problems.
Doctors Once Thought Bananas Cured Celiac Disease. They Saved Kids' Lives — At A Cost