TY - JOUR T1 - Exercise is medicine: but what is the dose? JF - British Journal of Sports Medicine JO - Br J Sports Med SP - e2 LP - e2 DO - 10.1136/bjsm.2010.081570.19 VL - 45 IS - 2 AU - K Khan Y1 - 2011/02/01 UR - http://bjsm.bmj.com/content/45/2/e2.12.abstract N2 - Lecture 19 The term ‘polypill’ was coined in a BMJ publication; researchers wondered whether a cocktail of five pills taken on a population basis could reduce cardiovascular disease by 80% (Wald 2003). Some would argue that there exists a polypill already – but the multi-system benefits of physical activity have been under-recognised. In this short presentation, I address the question ‘What is the optimum dose of physical activity for health?’ Recommended reading below.1 ,2 ER -