Dr Wynnie Chan, the nutrition expert for iVillage.co.uk, is the author of four books on nutrition and has contributed articles to numerous women's magazines such as Woman, Best, Top Sante and Our Baby. She was instrumental in creating the UK food tables, which give the complete nutritional composition of thousands of foods. She has a special interest in women's and children's health issues and has appeared on numerous TV and radio shows as a consultant on a variety of nutrition-related issues.