Dr. Khalid Khan, who wrote most of this book whilst a medical student, is a General Medical Practitioner in Croydon, Surrey. He is a GP Trainer and a Seminar Leader and tutor for undergraduates from Guy's, King's and St Thomas' Medical School. Dr. Khan is former Board member and Educational Lead for South Croydon Primary Care Group and Medical Adviser to the Society of Medical NLP (www.medicalnlp.com) and the International Journal of Acupuncture. He is also a registered pharmacist.