Medical experts have called a lot of reasons why some people are constantly shivering. And the most important of these reasons - painful.
For example, a person constantly feel cold because of:
1. Anemia (anemia). In addition to the chills patients also feel constant fatigue, weakness, shortness of breath and dizziness.
2. hypothyroidism (Diseases of the thyroid gland is characterized by a reduced functionality). Without the required hormone levels in the body's metabolism slows down and the body starts to save energy. First and foremost on their own heating.
3. Raynaud's phenomenon. This disease is characterized by the conditions in which blood circulation is broken limbs. For example, due to stress or lowering the ambient temperature. Attacks do not last more than an hour (often only a few minutes), and then in the arms and / or legs felt tingling. During each such attack your fingers, hands and feet numb, become pale, cyanotic.
4. Violation outputting kidney functionAt which the decomposition products remaining in the body, may reduce the patient's body temperature.
5. Type II diabetes, if the disease is to control the way it should be. That is due to diabetic neuropathy, provoking constant attacks on the nerve tissue. That such an attack and cause a cold sensation and numbness in the extremities.
6. Problems with peripheral arterial disease (One of the clear signs of atherosclerosis). When the disease fat cover vascular lumen, and feet are freezing. As a rule, one limb at this disease is freezing more than the other.
7. anorexia nervosa. Eating disorder leads to a serious shortfall in human calories. As a result, "warming himself" body simply nothing.
8. lack of B12. This vitamin helps build red blood cells, and its deficiency leads to anemia, which is characterized, including repeated constantly chills.
9. of iron deficiency. This condition is accompanied by a sense of constant cold because iron is actively involved in the process of transporting oxygen to tissues.
10. Hypopituitarism. In this disease the pituitary gland reduces or stops the release of hormones. As a result, a person becomes, including very sensitive to cold.
11. Lack of sleep. Insomnia has a negative impact on the metabolism. Body temperature "jump" and the eventually reduced. Slowing down the flow of blood, and man is constantly freezes.
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