What Causes Raynaud's Disease?

Smoking

Smoking negatively impacts blood circulation throughout the body, but having cold and rigid hands is also seen regularly by physicians and researchers. When you smoke, substances from the tobacco cause the blood vessels to constrict, which alters circulation and prevents blood from moving throughout the body in the way it should, and the extremities (the hands, fingers, feet, and toes) are the first ones to suffer from this. Quitting immediately has been shown to greatly reduce symptoms in individuals with Raynaud's disease.

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