Moreover, it is less common for heart attacks in women to be triggered by a local narrowing of blood vessels that can be widened relatively easily. (sciencedaily.com)
The nicotine in cigarettes causes narrowing of the blood vessels in the outermost layers of your skin. (mayoclinic.org)
These include chronic colitis and rectal stricture (abnormal narrowing of blood vessels). (wearethecure.org)