Dietary and lifestyle factors in relation to plasma leptin concentrations among normal weight and overweight men. Author(s): Chu NF, Stampfer MJ, Spiegelman D, Rifai N, Hotamisligil GS, Rimm EB|Journal: Int J Obes Relat Metab Disord|PMID: 11244465| January 2001 Leptin, the product of the obesity (ob) gene, is a multi-functional polypeptide that is important in energy metabolism, which is…