A person's body fat percentage is the total weight of the person's fat divided by the person's weight and consists of essential body fat and storage body fat. Essential body fat is necessary to maintain life and reproductive functions. In this book, the authors present current research in the composition, measurement and reduction procedures of body fat. Topics discussed include body composition measurements; MSG intake suppresses caloric intake, weight gain, and fat deposition in female rats; body mass index and fat distribution among circumpolar people; body fat in individuals with Down Syndrome and adipsin as a new biomarker of body fat distribution.