Mu husbnd has been loosing weight for the last 2 years, he is 6'2 and now weights about 149 lbs. We have had him to gastrologist, medical Dr. , Dr. of hemotolagy. He has had ct-scans, colonscopy, pet scan, blood test, a camera droped into his stomach and nothing shows up any where. His nornakl weight has been 185 for years. Do you havve any suggestion as to what we could do now?