Wow! That means that our beneficial intestinal and other organic flora may have the ability to prevent the negative effects of fluoride chemicals ingested from the various food and drink sources contaminated by the use of fluoridated water in their production and processing. It would then remain to show the level of pervasiveness of riboswitches genetics has provided given individuals that allows some to be more affected than others by fluoride chemical ingestion from whatever sources and whether by swallowing or by skin [dermal] absorption.