Medicinal cannabis has been prescribed more than 13,200 times over the past 12 months in Guernsey, new figures from the States show.
There are three private clinics on the island that are able to offer the service. The clinics voluntarily report the number of prescriptions issued but not the number of individual patients.
Deputy Marc Leadbeater, who is also a director of medicinal cannabis company the House of Green, said the industry needed "massive investment."
Cultivation of medicinal cannabis has been permitted under license in Guernsey since July 2021. Mr Leadbeater said people needed to be open-minded if the industry was to move forward
He said: "The problem is a lot of the previous investors in medicinal cannabis are wary about investing in that area at the moment due to developments with cannabis legislation across the globe.
Read more at bbc.com