The immune system: an overviews; Evaluation of the effects of nutrients on immune function; Individual nutrients, infection and immune function; Effect of a post-natal protein malnutrition and intrauterine growth retardation on immunity and risk of infection; Fatty acids, inflammation and immunity; Arginine and immune function; Glutatione and the immune system; Sulphur amino acids, glutatione and immune fuction; Vitamin A, infection and immune function; Antioxidant vitamins and immune function; Zinc, infection and immune function; Role of in immunity and infection; Selenium and the immune system; Probiotics and immune function; Nutrition and immunity through the life cycle; Role of local immunity and breast-feeding in mucosal homoeostasis and defence against infections; Food allergy; Exercise and immune function - effect of nutrition; nutrition and ageing of the immune system; Nutrition, infection and immunity: public health implications.