What causes chills?

Fever going up. One of the factors in producing an increase in body temperature is muscular activity. A long distance runner will generate very high body temperatures. One of the ways in which the body produces an elevation of temperature is by chilling, which is a form of muscular activity. The other factor is the differential between the body temperature and the external temperature.

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What causes chills or tingles all over your body?

Autonomic. Sympathetic nervous system, called "fight or flight" dischrges ith neural, physical or emotional trigger. Read more...

What causes chills, short loss of vision, hearing, balance, and a blackout when taking Nora-Be (Progesterone)?

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