**CLOSED** Healthy Cannabis Users Wanted for McLean Hospital MRI Study

by member 107

Researchers at McLean Hospital are looking for healthy marijuana smokers to participate in a research study using MRI to investigate the effects of abstaining from Marijuana use for 3 weeks. 

You can earn up to $540 for completing all aspects of the study and you will be able to keep the Fitbit that you wear for participating in the study. 


  • 21 - 40 years old
  • Smoke marijuana 
  • In good physical and mental health
  • Willing to have three MRI scans
  • Able to come to McLean in Belmont for multiple study visits 


  • In-person
  • Scientific research
  • Time commitment TBD
  • Boston

Receive: $540

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