Assertion: ecstasy's mdma | /r/CapableOf | affect serotonin levels
Facets:
value: more than dopamine levels
type: OTHER
Source sentences:
text: Impaired Sexual Arousal: Because MDMA affects serotonin levels more than dopamine levels in some users, some researchers believe long-time use can cause impaired sexual arousal and the cognitive perception of romantic relationships.﻿﻿