Assertion: methadone's tolerance | /r/HasProperty | cross-
Facets:
Source sentences:
text: Methadone has a cross-tolerance with other opioid drugs, such as heroin and morphine, allowing it to offer similar pain-relieving effects over a longer duration of time.
text: It has cross-tolerance with other opioids including heroin and morphine, offering very similar effects and a long duration of effect.