Why do my teeth chatter when I'm cold?

A decrease in the temperature outside causes a decrease in your body's temperature and your body will find ways to hold on to that core body temperature as much as possible. By decreased sweating, cutaneous vasoconstriction, increased muscle tone and shivering (chatter, chatter, chatter), your body is able to raise its own temperature. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.