A feeling of coldness of limbs, occurs because of the process by which the organism maintains the temperature of the vital organs. However, if your hands and feet are often cold, it can indicate health problems.
Besides cold hands, if you feel other symptoms such as fatigue, headache and malaise, check the level of iron in the blood. It is the main component of hemoglobin, the molecule that carries oxygen in the blood and gives red color.
The coldness and tingling in the hands and feet can being the first signs of diabetes. It leaves the consequences of bloodstream and nervous system, often accompanied by such phenomena, you are often thirsty, eat a lot and not gain weight or lose weight, check the level of sugar in the blood.
Hypothyroidism or sluggish thyroid operation, leading to a slowing of metabolism, and is often accompanied by coldness of limbs or feeling of coldness. Fatigue, lethargy, drowsiness, slurred speech and movement, as well as intolerance of high temperatures are clear symptoms of this disorder.
Stress can also be a cause of cold hands and feet. It increases the adrenaline, a hormone which is produced in the adrenal glands, which constricts blood vessels, and circulation is poor, hands and feet are cold.