Assertion: ecstasy's effect | /r/HasProperty | uncertain
Facets:
value: because of its illegality
type: CAUSE
Source sentences:
text: The effects of intermittent, occasional use are uncertain.
text: However, the effects of MDMA on animals earlier in development are unclear, therefore, more research is needed to determine what the effects of MDMA are on the developing human nervous system.
text: Because of its illegality, actual chemical effects and the possibility of neurotoxicity (brain damage) caused by mdma in humans is uncertain.