Why am I so cold all the time??

Low body temperature can be related to a number of things, for example:
Raynaud's Disease, Some people don't have enough muscle mass or the insulating fat layer There is also a possibility of hormone imbalance. It could also be related to anemia or a thyroid disorder or circulatory problems related to diabetes or high cholesterol. Consult your doctor for a routine check up and labwork to know for sure!