COULD SOMEBODY PLEASE EXPLAIN TO ME WHY IT FEELS LIKE I HAVE A VIBRATION/BUZZING SENSATION THAT GOES DOWN MY ARMS, ALL DOWN MY LEGS ALMOST LIKE MY BODY IS JUMPING A BIT INSIDE BUT DO NOT FEEL SHAKEY, THOUGHT MAYBE WAS MY HEART GOING QUICK BUT IT IS'NT SO WHAT IS THIS FEELING THIS ONE IS REALLY CONCERNING ME WAKE UP WITH IT GOES AWAY FOR WHILE COMES BACK ALL DAY EVERY DAY NEVER HAD THIS BEFORE AND WHY WON'T IT GO AWAY ASKED DOCTOR ABOUT IT BUT NEVER REALLY GET AN ANSWER.