Heart and circulation news, features and articles
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What happens during a heart attack?A heart attack, or myocardial infarction, happens when oxygen-rich blood does not reach a part of the heart muscle.
By Anna Gora Published
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Coronary artery disease (CAD): Causes, diagnosis and treatmentCoronary artery disease (CAD) is caused by plaque buildup in the wall of arteries that supply blood to the heart.
By Dr. David Warmflash Published
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What is normal blood pressure?Here's what doctors consider a "normal," elevated or high blood pressure, and how to measure your BP at home.
By Anna Gora Last updated
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Beating 'hearts on a chip' will travel to space on SpaceX's Dragon cargo ship tonightTissue-based models of the human heart are being sent to the International Space Station.
By Nicoletta Lanese Published
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Artificial sweetener may increase risk of heart attack and stroke, study findsErythritol, a sugar substitute, may be linked to an elevated risk of heart attack and stroke in at-risk adults.
By Jennifer Nalewicki Published
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Stroke: Symptoms, tests and treatmentStroke is the second leading cause of disability and death worldwide, and occurs when the flow of blood to the brain is disrupted.
By Elizabeth Peterson Last updated
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Atrial fibrillation and arrhythmia: Causes, symptoms and treatmentAtrial fibrillation is a heart condition that causes an irregular heart rate. Sometimes, there can be no symptoms.
By Stephanie Pappas Last updated
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9 heart disease risk factors, according to expertsIt's the leading cause of death in the United States, but what are the top heart disease risk factors?
By Lou Mudge Published
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Heart disease: Types, prevention and treatmentsHeart disease is the leading cause of death in the United States, and encompasses a range of conditions. But are there ways to avoid it?
By Joe Brownstein Last updated
