Assertion: periwinkle's leaf | /r/ObjectUse | used for improved oxygen and blood flow
Facets:
value: internally
type: OTHER
value: in arteries
type: LOCATION
value: as a gargle for sore throats
type: PURPOSE
Source sentences:
text: Internally the leaves have been used for improved oxygen and blood flow, especially in cerebral veins and arteries for improvement of cognitive function, tinnitus, depression, fatigue, problems associated with menopause, heavy menstruation, mild hypertension, headache, congestion, and as a gargle for sore throats.