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Raynaud’s phenomenon
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Raynaud’s phenomenon or Raynaud’s syndrome
syndrome) is a condition in which peripheral blood vessels in the fingers, toes, nose, ears, etc. are affected by cold or stress.
It refers to something that causes swelling or blood circulation problems.
In general, it refers to numbness in the hands, and the fingers are sensitive to the cold, so the skin color is white or
If it turns red and you have numbness, itching, or pain in your hands or feet, you may be suspicious.
The phenomenon was first reported by French physician Maurice Teino in 1862, and he gave it his name.
There is no such thing as Raynaud’s phenomenon. Longer hands, such as typing by women rather than men.
It mainly occurs in people who are under stress, a job that puts a strain on their health.