Feeling cold because too long in the air-conditioned room is indeed a natural thing. However, if you feel cold constantly, it could be a sign of a certain medical condition. Check out the various causes of the body feels cold below. In general, body temperature regulation is regulated by several organs, such as the hypothalamus, nervous system, skin, and fat tissue. The hypothalamus in the brain will send messages throughout the body to regulate heat production and to activate the body's cooling mechanism. Besides acting as a regulator of body temperature, the hypothalamus also acts to control the thyroid gland. When the thyroid gland is not functioning optimally, your body will experience a number of complaints, one of which feels cold all the time. Various Causes of Body Feel Cold The following are conditions that can cause a person to experience a body feeling cold all the time, namely: Anemia Iron and vitamin B12 play an important role in the production of red blood