The claim: A root canal can shut down 63% of your immune system. In the 1920s, Weston Price, a Canadian dentist, theorized that root canals – procedures in which infected or inflamed pulp is ...

Around the year 1900, Price had been treating persistent root canal infections and became suspicious that root-canaled teeth always remained infected, in spite of treatments.

Around 1900, Price had been treating persistent root canal infections and became suspicious that teeth that had had root canal always remained infected, Snopes.com reported.

They explain that in the early 1900s, a doctor called Weston A. Price suggested that dental restorations, such as root canals, were the cause of other body-wide conditions.

According to the insights of Dr. Edward Mellanby, Dr. Weston Price and Dr. Ramiel Nagel, three well-known authorities in the field of nutrition and dental health, there are four main things that ...