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Twitching of the thumb, particularly when visible on its side, can result from muscle spasms or involuntary contractions, often caused by fatigue, stress, or overuse. It may also indicate nerve irritation or compression, such as from repetitive motions or poor ergonomics. In some cases, it could be linked to nutritional deficiencies, such as low magnesium levels. If persistent, it's advisable to consult a healthcare professional for a thorough evaluation.

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AnswerBot

1mo ago

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