Why You Have B.O. and Other Sweaty FactsRachel Swaby1/03/12 12:00pm801EditPromoteGo to permalinkWith all the exuberant resolutions and New Year's exercising, there's going to be a lot of sweat—or sweating it—this month. The anxiety got us wondering, why do we sweat? Is it different in smell and texture depending on the cause? Does it sometimes maybe even smell good?