CNN's Rachel Crane tries out a new fitness craze: exposing herself to temperatures far below zero in hopes of boosting metabolism and reducing inflammation
원문출처 : http://edition.cnn.com/video/data/2.0/video/health/2015/02/17/freezing-for-fitness.cnn.html?eref=edition
원문출처 : http://edition.cnn.com/video/data/2.0/video/health/2015/02/17/freezing-for-fitness.cnn.html?eref=edition