Assertion: ketamine's use | /r/HasProperty | the biggest breakthrough
Facets:
value: in mental health
type: OTHER
value: in the last 50 years
type: TEMPORAL
Source sentences:
text: Referring to the fact that there haven't been any new classes of drugs developed to treat depression in decades, Kane said that using ketamine to successfully treat the disorder's most stubborn cases might just be "the biggest breakthrough in mental health in the last 50 years.