I have had severe weight loss I am 69 years old 5ft 2in tall about 21/2 years ago I started loseing weight I would vomit everything I ate or drink plus I always had nausea I went to Mayo clinic in jacksonville fl after many tests they couldn't find anything wrong but things resolved on there own ,for the next 2 years I was ok then about 2 months ago I started with the same problems my weight is now below 80 lbs I have lost between 35 or 40 lbs I am very weak I have been in the hospital twice but they can't find anything wrong I am looking for some answers