Detailed discussion: http://physics.stackexchange.com/questions/2605/how-does-mass-leave-the-body-when-you-lose-weight http://physics.stackexchange.com/questio

Detailed discussion: http://physics.stackexchange.com/questions/2605/how-does-mass-leave-the-body-when-you-lose-weight http://physics.stackexchange.com/questions/2605/how-does-mas... I was suprised this was not linked in the post.