As the government calls for a ban on the sale of e cigarettes to under 18s, Dr Mark Porter is joined by Martin McKee, Gerard Hastings and Robert West to discuss who is using them and how they are being advertised. The chairman of NICE, David Haslam has suggested patients should demand more NICE approved drugs from their GP. Mark is joined by David and by GP Margaret McCartney to discuss whether patients really should be more pushy. Also in the programme Mark talks to Mark Emberton at University College London Hospital in London about the PROMIS trial into the benefits of using MRI to scan men's prostate gland to detect cancer.