Assertion: thc's effect | /r/HasProperty | disputed
Facets:
Source sentences:
text: Conceivable long-term ill effects of THC on humans are disputed but not improbable, yet its status as an illegal drug in most countries can make research difficult, for instance in the United States where the National Institute on Drug Abuse was the only legal source of cannabis for researchers until it recently became legalized in Colorado and Washington.
text: Conceivable long-term ill effects of THC on humans are disputed.