Hi, I AM 74 , I AM IN GOOD HEALTH,

Hi, I AM 74 , I AM IN GOOD HEALTH, I RIDE MY BICYCLE ALMOUST EVERY DAY, BUT I AM VERY SENSITIVE TO COLD TO MY HEAD.THREE DAYS AGO I WAS REPAIRING A MICROVAWE OVEN ON MY PATIO ( IN SURPRISE, ARIZONA ) OUTSIDE TEMP WAS ABOUT 48F. I TOOK MY HAT OFF FOR ABOUT 12 min TO PUT THE GOOGLE ON. THE NEXT DAY WHEN I GOT OFF THE BED I FELT LOOSING THE BALANCE. I SET ON THE BED FOR 2 min. I SHAKE MY HEAD AND AFTER THAT I WAS O.K. THE NEXT MORNING I HED THE SAME SIMPTOMS. THE THIRD DAY THE SAME. DURING THE DAY I AM OK THOUGH A VERY LIGHT DIZZINIS