Welcome to this bonus issue of BJSM. Two issues in September for the price of one! Thanks to the International Olympic Committee’s commitment to Injury Prevention and Health Protection, BJSM now publishes 16 issues a year. We have lots of great material — just check “Online First” and read on.

Nutrition supplementation is never far from the sports clinician’s mind; athletes wanting legal ergogenesis. Oxford’s Dr Lindy Castell has partnered with Professor Louise Burke of the Australian Institute of Sport and Dr Samantha Stear of the English Institute of Sport to provide not just one article but a complete BJSMopedia of updates on food and quasifood (see p 728).1 Two pages per issue through until London 2012; evidence-based, edifying and eclectic. Feel free to communicate with Dr Castell directly (bjsm@bmjgroup.com) or via the blog (http://blogs.bmj.com/bjsm).