Assertion: opium's effect | /r/HasProperty | weakness
Facets:
Source sentences:
text: Other central nervous effects of opium and its derivatives include drowsiness, sedation, nausea, weakness, faintness, agitation, restlessness, nervousness, and decreased sex drive.
text: Side effects include drowsiness, lightheadedness, dryness of the mouth, weakness, and nausea.