i have lot 23 lbs. over a three year period, for no apparent reason! i am still healthy eat good, sleep good, dont drink, smoke ,or chew tobacco. I retired in 2007,at 65 years old I am 72 years old now... last year I had my gallblader and 10 inches of colon removed and I am doing well. my weight is 150lbs I dont loose or gain. now these things are starting to happen,,,, I dont see good at night lights have a big ring around them, I have red spots on my face i had verdigo for four months in 2014. i have ringing in my ears,, my left ear hearts mildly every day, i just got over planterficiousitis, my voice almost goes away if i talk very long, and I get very hungry at night,, and last year I had a stent put in my heart. I still work (house remodeling) four hours a day I am not week but thin .150lbs at 6 foot 2 inches tall. all this sounds bad but it is true . I have seen a diagnostic doctor and he checked for celiac disease and thyroid hormones and all was ok . I had a upper and lower gi and that showed no parasites and the small intestine had no celiac disease. I lost the weight before I had the operations, I lost it a few ounces at a time from 173 down to 150 lbs. in about three years. I take plavix and baby aspirin, I will get off plavix in January 2016. my blood pressure is 125/63 the pulse is 48 on average, they go up when I get active, my pulse is 45 about every morning. I drink gatorade and water.