Yes: A muscle twitch is an small local involuntary contraction of muscle. It's usually not a symptom of a serious illness. Excessive caffine intake can cause muscle twitching. Other causes are: occuring after muscular exertion, tension or anxiety and magnesium deficiency. Twitching associated with muscle weakness indicates a motor neuron disease. For more information see: http://bit.ly/1rBtxRu
Answered 8/28/2017
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