LOSS OF BALANCE, EXHAUSTION & FREQUENT HEAD ACHES, WENT TO

LOSS OF BALANCE, EXHAUSTION & FREQUENT HEAD ACHES, WENT TO DOCTOR (COULDN'T FIND ANYTHING WRONG) WANT ME TO DO BLOOD TESTS BUT CANT AFFORD IT BECAUSE I DON'T HAVE MEDICARE PART B . NOT ALLERGIC TO ANY THING, i BELEIVE THIS IS A DISEASE OF SOME SORT, FEEL LIKE I'M GOING TO GET WELL SOON. HAve had problem for about a month. will be 80 years nold on 9-13-2016. never been in hospital for anything...???