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You may be eligible to participate if you: 

• Are 21–40 years old
• Have used cannabis for at least one year
• Are right-handed 

This study involves: 

• One appointment at our lab facility in Â鶹ӰԺ
• Two appointments in our mobile lab (we drive to a location convenient to you)
• Blood draws
• EEG recording
• Cognitive tasks
• Brief questionnaires

More male participants needed!