For the oral fluid testing pilot

Primary care patient of the Boston Children's Hospital Adolescent/Young Adult Medicine Practice

Participation in MOMENT-V open pilot

Ownership of a smartphone

Availability for the 2-week study duration

Primary care patient of the Boston Children's Hospital Adolescent/Young Adult Medicine Practice or Martha Eliot Health Center Adolescent Clinic

18 to 26 years old

Cannabis Use Disorders Identification Test-Revised (CUDIT-R) score of ≥8

Recreational cannabis use on \>3 days/week, on average, in the past 30 days

Ownership of a smartphone that is PIN- or password-protected

Ability to read and speak English

Availability for the 6-month study duration

Developing a Telehealth + mHealth Cannabis Use Intervention for Young Adults