Written by an expert in the field, this intriguing popular science book fills the gap between unscientific comments about dietary fats and the health hazards of high- or low-fat diets found in magazines, and technical medical reports about lipid biochemistry and obesity in animals and humans. It explains in clear, non-technical language where fats come from and how the bod Written by an expert in the field, this intriguing popular science book fills the gap between unscientific comments about dietary fats and the health hazards of high- or low-fat diets found in magazines, and technical medical reports about lipid biochemistry and obesity in animals and humans. It explains in clear, non-technical language where fats come from and how the body handles them, their natural roles, and the biology of feasting and fasting, fattening and slimming in wild animals as well as people.