This book presents current research in the study of the metabolism, disease risks and public awareness of saturated fats. Topics discussed include the epidemiological evidence and dietary intervention studies regarding the relationship of fats, carbohydrates and risk of coronary heart disease, the modulation of dietary conjugated linoleic acid (CLA) effects by saturated fats, effects of short and long-term saturated fat-enriched diet on the ceramide and neutral lipids accumulation in the insulin responsive tissues of rats and fatty acids and immune system functions.