‘When you lose weight, where does the fat go? Most of the mass is breathed out as carbon dioxide, study shows’
http://www.sciencedaily.com/releases/2014/12/141216212047.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fhealth_medicine%2Fdiet_and_weight_loss+%28Diet+and+Weight+Loss+News+–+ScienceDaily%29