Assertion: marijuana's use | /r/CapableOf | reduce serotonin levels
Facets:
value: for at least 2 weeks
type: TEMPORAL
value: by 90 percent
type: OTHER
value: in the brains of rats
type: LOCATION
Source sentences:
text: Use of ecstasy can reduce serotonin levels in the brains of rats by 90 percent for at least 2 weeks.