Prescriptions boom as patients embrace medicinal cannabis - E.coli and lead found in UK street cannabis used for self-medication - New research shows better access and affordability for medicinal cannabis, warns of profit vs care tension - Spain is set to legalise cannabis for medicinal purposes in huge relief for thousands of suffering patients - Cannabis medications could be eligible for FDA approval under proposed DEA rules - 'Concerning' cannabis use and man's tumour was abscess - Cannabis use associated with higher heart attack and stroke risk, study finds - Wonder drug: is the UK ready for the green rush of medicinal cannabis? - DEA warns Georgia pharmacies about medical cannabis - Still no medical cannabis trials for NHS - five years on from legalisation