What makes up a cannabis medicinal product? How do the active ingredients work in our bodies? What conditions can it treat, and how can doctors prescribe it? We’re joined by neurologist and medical cannabis expert Mike Barnes, and ‘End our Pain’ campaigners, Peter Carroll and Hannah Deacon. Hannah fought to obtain cannabis oil to treat her son Alfie’s epileptic seizures, and the campaign succeeded in changing UK law – as of November 2018, NHS doctors can legally prescribe cannabis. So why is it still hard for doctors to do so? Mike, Peter and Hannah discuss these issues with journalist,