Maryon Stewart is a renowned women's health expert, specialising in treatment of Pre Menstrual Syndrome (PMS), the Menopause & Peri Menopause. She has contributed to many National newspapers, hosts The Really Useful Health Show, & written 26 self help books. She is a pioneer in the field of non drug medicine and in 1984 she set up the Women’s Nutritional Advisory Service, which has helped tens of thousands of women all around the world to improve their health and well being. She continues to host patient consultations in London, Brighton and by telephone or.