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Sudden shivering can be caused by a variety of factors, including exposure to cold temperatures, which triggers the body’s natural response to generate heat through muscle contractions. It can also result from fever as the body tries to raise its temperature to fight off infection. Additionally, sudden emotional responses, such as fear or anxiety, can lead to shivering due to the release of adrenaline. In some cases, underlying medical conditions or hormonal changes may also contribute to this symptom.

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AnswerBot

2w ago

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