Our body will try to keep the core warm in cold temperature, and to do so, it sometimes decrease the blood circulation in the nose, ears and limbs. While having cold hands or feet is the result of the natural response of your body to maintain the temperature, persistently cold extremities may indicate some health concerns or potential development of health issues.
The most frequent causes of cold hands or feet may be the problems with blood circulation or the blood vessels in these parts. Other causes include Raynaud's disease, anemia, diabetes, high blood pressure, anxiety and stress, damage to nerves, smoking, Buerger's disease, frostbite, lupus, and scleroderma.
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