Anyone who has tried to lose weight and keep it off knows how difficult the task can be.
원문출처 : http://www.cnn.com/2017/01/16/health/resting-metabolic-rate-fitness-weight-partner/index.html
원문출처 : http://www.cnn.com/2017/01/16/health/resting-metabolic-rate-fitness-weight-partner/index.html