Our expert says:
A tremor can run in families, and most tremors are harmless. Some tremors can be caused by too much coffee, or stress, tiredness, low blood sugar or certain medications. I think you have to see your doctor to determine if you have neck muscle spasm with trigger points in your neck, as this may lead to pain and weakness in the arms and hands. He can then also just do a neurological examination to determine if the tremor is anything to be worried about.
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