"Are there advantages to continuing to have a medical recommendation in CA ?"
This is a great question that has come up a lot lately in the HelloMD Community. Please check out these two articles that explain why you may still want to obtain your medical marijuana recommendation: https://www.hellomd.com/health-wellness/5a4d60dd100a820006562f4d/recreational-marijuana-is-legal-in-california-did-it-all-go-as-planned
Here's yet another article we published on this very topic going over the advantages of--and need for--holding on to or renewing your medical marijuana card, at least for 2018. Hope this helps!