Hi my Dad is 87 with MDS - rbc transfusions only, every 2 weeks, Prostate Cancer (inoperable), hormone therapy at present, had radiotherapy, previous non-hodgkins lymphoma 20 yrs ago - small bowel, operated & chemo, large harmless cyst on kidney, varicose veins, heart failure & ab fib. Has loss of appetite, sometimes metalic taste in mouth, reflux and very sore gums, which are pale in colour ie not red/blistered. Often has white foam/froth in his mouth. Any suggestsions to improve appetite & why is gums are so sore would be appreciated. He does not want to go on those food supplement drinks :-)