Assertion: acupuncture | /r/CapableOf | occur opioid analgesics
Facets:
value: from the central nervous system
type: LOCATION
value: naturally
type: MANNER
Source sentences:
text: Research has demonstrated that acupuncture stimulates the body to release hormones, as well as naturally occurring opioid analgesics (termed endorphins and enkephalins) from the central nervous system.