High blood pressure is a chronic condition associated with an increased risk of cardiovascular disease and death. Over the last two decades, the Cochrane Hypertension Group has produced numerous reviews of ways to treat it, including one of the effects of a class of drugs called renin inhibitors. The review was updated in April 2017 and we asked the lead author, Vijaya Musini from the University of British Columbia in Vancouver Canada, to tell us about the latest findings.