What about people at the other extreme, whose hands and feet always feel hot?
"That's another physiological response of the body trying to open up the blood vessels and just remove the heat from the body, so it doesn't overheat," Chotani said. "The receptor, I would think, is not working. It's just the opposite scenario."
Visit the U.S. National Institute of Arthritis and Musculoskeletal and Skin Diseases to learn more about Raynaud's phenomenon.
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