Stress can be the reason for your cold hands and feet. It stimulates the secretion of adrenaline, which in other hand obstructs the blood vessels and weakens the circulation, which is why your hands and feet become cold.
If your hands and feet are cold often and you are used to this feeling, then you should take some steps toward solving this problem. In fact, cold fingers are usual in women and do not necessarily mean anything. But it can indicate on some dangerous health issues as well.
Cold fingers and toes can often result with fatigue, exhaustion and headache. In case you already suffer from these symptoms, then it is highly recommendable to visit your doctor because your organism probably lacks of iron. Iron is the main content of hemoglobin, the molecule that carries oxygen in the blood and makes the blood red. Cold limbs could indicate presence of anemia.