Like a regular ultrasound, this test uses sound waves to detect blockages and narrowing of the carotid artery, both of which can lead to a heart attack or a stroke.
New insights are leading to better high-tech scans for women. One thing about heart disease that's the same for both sexes: It's the number one cause of death. So here's what you need to know.
Dr. Oz and Dr. Michael Roizen share their opinions on the hottest health topics and teach you how to have the best relationship with your doctors.
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