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Shivering. A woman shivering from cold. Shivering (also called shuddering) is a bodily function in response to cold and extreme fear in warm-blooded animals. When the core body temperature drops, the shivering reflex is triggered to maintain homeostasis.
- Claire Sissons
- Fever. Share on Pinterest. A fever may cause shivering. Other than being cold, the most common cause of shivering is fever, which doctors define as a body temperature higher than 100°F.
- Psychogenic movement disorders. For some people, stress or mental health factors can cause shivering and other involuntary movements. This usually occurs due to a psychogenic movement disorder, which can affect any part of the body.
- Postanesthetic shivering. Share on Pinterest. A person may shiver when recovering from an anesthetic. Shivering can occur when a person regains consciousness after a general anesthetic.
- Fear, excitement, or stress. Strong emotions can cause a person to shake or shiver. This is often due to a surge of adrenaline in the body. Adrenaline is a hormone that triggers the body’s fight-or-flight response.
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Dec 1, 2017 · Cold environment. When the temperature drops below a level your body finds comfortable, you may start to shiver. Visible shivering can boost your body’s surface heat production by about 500 ...
- James Roland
Browse Getty Images' premium collection of high-quality, authentic People Shivering stock photos, royalty-free images, and pictures. People Shivering stock photos are available in a variety of sizes and formats to fit your needs.
United States. Browse Getty Images' premium collection of high-quality, authentic Person Shivering stock photos, royalty-free images, and pictures. Person Shivering stock photos are available in a variety of sizes and formats to fit your needs.
Oct 30, 2018 · Shivering metabolism in the other hypothermic subject diminished rapidly after a brief period of intense shivering. He was unable to maintain the expected walking pace after only half-hour exposure to cold rain, and his participation was terminated 1 h later when his rectal temperature decreased to nearly 35 °C.