whenever i run more than a mile, my right arm, and only my right arm goes numb. i do the arm circles like people say to do and it doesn't help. even a day or two after my shoulder is still tingly. also, when i use a bike at the gym, both of my arms go numb to the point i can't pick up my water bottle. i drink water and gatorade everyday and limit the amount of juices i consume. i am in decent shape and 22 years old. any ideas?