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How does cannabis use affect long-term wellbeing?

11 October 2017

This study involves attending 7 sessions over a 12 month period, which will be 2 MRI sessions at Hammersmith Hospital, and 5 sessions at UCL. Altogether, if you attend all of the sessions on time, you will be reimbursed £425 over the year!
This study is investigating the long-term effects of cannabis use on psychological well-being and memory, however we are looking for people who don’t use cannabis as well as those who do use cannabis. You need to be aged 16-17 or 26-29.


  • *We are currently recruiting for adult female cannabis users and adult male controls*
  • Requirements:
  • Healthy Volunteer
  • No Psychiatric Disorder
  • Male and Female
  • Age 26-29
  • Currently be a regular cannabis user.
  • OR
  • Have tried cannabis only a few times in your life,
  • OR
  • Have tried tobacco/be a cigarette smoker,

Take part in this study


Ethical approval

The study has been approved by the University College London ethics committee.

About the researcher

We are researchers at the Clinical Psychopharmacology Unit, UCL. We are interested in the effects of different drugs on brain and behaviour.

Contact researcher

Academic study

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