Chills usually manifest from two situations: a normal physiological reaction to a cold environment or as an accompaniment to fever. Yet some people experience chills almost constantly and without any perceivable cause. From the moment they wake to the time they go to bed, they experience goose bumps throughout their body, teeth chattering chills, and the sensation of being freezing cold. In this article we will discuss what causes chills, chills that occur without fever, and finally some helpful home remedies to treat chills.What Causes 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. A fever may closely follow these chills, typically indicating infection.Causes of Chills without FeverIf your chills do not coincide wit...