Assertion: methadone | /r/Causes | effect
Facets:
value: in the brain
type: LOCATION
value: in some users
type: LOCATION
Source sentences:
text: When abused, particularly in combination with other drugs, methadone causes effects in some users that are similar to those caused by the abuse of heroin and other opiates.
text: Because methadone causes effects in the brain similar to other opiate drugs, suddenly halting its use can be extremely uncomfortable, although withdrawal symptoms are typically not dangerous.