Assertion: birch's root | /r/ObjectUse | used as herbal remedy
Facets:
value: for thousands of years
type: TEMPORAL
Source sentences:
text: Cohosh root has been used as an herbal remedy for various indigenous groups in the Americas for thousands of years, and while many of those medicinal effects haven’t been scientifically validated, there is still a significant number of people who see black cohosh as a natural cure-all.