Medical cannabis may be legal, but bureaucracy is intense and a lot of patients can't get access.
The only thing that could stop Dan Haslam's chemotherapy sickness was marijuana, so his mum started to fight for its legalisation.
Do online petitions actually make a difference, or do they just make us feel better? Karen Skinner takes us behind the button.
It looks like the country is finally going to soften its unusually harsh cannabis laws, but skeptics say that the government is moving too slowly and will repeat the mistakes other nations have made.