i crave salt and vinegar. i get dizzy when i stand up and walk. i stay cold all the time. i had rny and lost 210 pounds this is why i touht i stay cold lost hair on arm,legs and chest. problem sleeping potassium stays low along vith vit d and magnessium. . thirsty all the time stomach hurts high blood pressure hands get to shakeburred vision off/on. have funny feeling around heart area and sometime hurt under arm pit. thin itching and dry skin. lost all errection . pills do not help. have a spondylotis in back 2 back surgery's. no one can tell me whats going on