My daughter, age 53 has been experiencing some symptoms that may need to be consulted by a doctor, She can t hold her urine for long periods of time, her fingers and toes are always cold, she feels tingling in both, her vision is blurry sometimes, and also has a sharp jolt to her brain occaisinally. what could be going on. She is apparently in good health, excercies regulary, eats well. Can you give us some insight or direction?