UK medical cannabis is taken by vaporisation rather than smoking to avoid...
https://brooksiwjk610.wpsuo.com/is-it-normal-that-my-device-is-a-one-off-cost-but-the-medicine-keeps-adding-up
UK medical cannabis is taken by vaporisation rather than smoking to avoid harmful toxins. Temperature control and device type—conduction vs convection—impact cannabinoid delivery and effect