Don’t bother trying on the NHS it won’t happen but there are LOADS of private clinics that do monthyl fixed fees that cover their costs you just need to pay for the cannabis. I think Mamedica and Curaleaf are 2 that do a monthly sub to cover appointments and prescription costs and you just order your weed from their list and pay with lots of different prices depending on strain and how it’s presented.
It will be essentially vapourised not smoked in a medical grade vaporiser.
I’m going to sign up in the New Year once all this Universal Credit BS is dealt with