Dr Sarah Brewer MSc (Nutr Med), MA (Cantab), MB, BChir, RNutr, MBANT qualified from Cambridge University with degrees in Natural Sciences, Medicine and Surgery. After working in hospital and general practice, she gained a master's degree in nutritional medicine from the University of Surrey. Sarah is one of the few licensed doctors who is also a Registered Nutritionist and a Registered Nutritional Therapist. As an award winning health writer, she expertly explains all the facts in a clear and concise way. Sarah is the author of over 60 popular self-help books and the editor of YourWellness magazine www.yourwellness.com. Follow her occasional nutritional Tweets at www.twitter.com/DrSarahB.