Some of the possible causes of your problems:
- pinched nerve in the neck and lower back
- carpal tunnel syndrome
- under active thyroid
- vitamin b12 deficiency
- alcohol and tobacco use
- some medications
- abnormal level sodium, potassium and calcium level in the blood
http://www.nlm.nih.gov/medlineplus/ency/article/003206.htm
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Edited by vyetimyan on September 16 2006 at 8:40pm
