i am a man of 64yrs, i dont drink or smoke, latel i have been feeling very tired, not sleeping, i wke up with not feeling m fingers, my feet from about 4" above the ankle down are always numb and cold, i have dbl vision and sometimes see shadows that are not there, i have occasionally pssed blood in urine and m stools, sometimes i drink a lotof soft drinks, if i cant get to toilet quick enough i have had accidents, my skin itches and sores never seem to heal. i have been workin for anything from 15hrs to 20 hrs a day and felt ok, i am now geting worried as a couple of times this week i seem to lose my balance , i am from uk, but not registered with a doctor in london, can u give me some advice please thanks , john