Raynaud's disease - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org:443/diseases-conditions/raynauds-disease/symptoms-causes/syc-20363571
WebNov 23, 2022 · Overview. Raynaud's (ray-NOSE) disease causes some areas of the body — such as fingers and toes — to feel numb and cold in response to cold temperatures or stress. In Raynaud's disease, smaller arteries that supply blood to the skin narrow. This limits blood flow to affected areas, which is called vasospasm.
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