Maryon Stewart is the bestselling author of twenty-five books, and the pioneer of the Women's Nutritional Advisory Service and the Natural Health Advisory Service. She was voted one of the top 100 most influential women in the UK in a Good Housekeeping survey. Maryon has co-written medical papers and writes for many national magazines and newspapers. She has worked extensively on radio and has appeared on dozens of TV programmes and contributed to many TV series. She runs a clinic and frequently lectures to both the public and the medical profession.