On the first day of the 2 day admission to hospital for the lipoprotein kinetics study, following an overnight fast, at approximately noon on day 1 of the study the subject will be admitted to hospital and will have a 30ml fasting blood sample drawn for analysis of plasma glucose, total plasma cholesterol, LDL-cholesterol, HDL cholesterol, triglycerides (TG), free fatty acids (FFA), insulin, cytokines, stable isotope enrichment and a more detailed analysis of triglyceride rich lipoprotein (TRL) composition (lipid and apolipoprotein content). The subject will be allowed to eat regular meals during the day but will fast overnight after 7pm.