hi, salukigirl,

thanks for your posts. I am relieved to hear that the MD did not find the problem to be diabetes or hypothyroidism. I know it's very difficult not knowing the cause of the weight gain and other symptoms. could it be that your bf is thirsty from running 4 miles everyday? certainly he must perspire a lot - fluids that must be replenished. if he was not very fit beforehand and is replacing flab with muscle, well, muscle is the heavier of the two which equals weight gain. just a thought. i hope that all is well. please keep us posted.