what makes your body hot and chills
Chills are caused by muscles contracting and relaxing rapidly. This occurs when the body is trying to generate heat, in order to raise the body's core temperature. Goosebumps commonly coincide with the chills and are caused by the reflexive erection of the hairs on your body, due to a cold environment or stress.
Conditions that may cause variations in body temperature. 1. Hypothyroidism. If you feel cold, then suddenly youâre hot without adjusting the room temperature, it may be due to a thyroid problem. Thyroid, an endocrine gland located above the collarbone, is responsible for regulating the metabolism, heart rate and body temperature.