Assertion: methamphetamine's user | /r/CapableOf | remain methamphetamine-free
Facets:
value: for 2 years
type: TEMPORAL
Source sentences:
text: In the study just mentioned, abstinence from methamphetamine resulted in less excess microglial activation over time, and users who had remained methamphetamine-free for 2 years exhibited microglial activation levels similar to the study