Sleep disorders

The big risk factor for stroke that you may not know you have

A cardiac condition called atrial fibrillation, the most common cardiac arrhythmia, can increase your risk of stroke by 500 percent. That's why Anne B. Curtis, MD, Charles and Mary Bauer Professor and Chair of the University ...

Genetics

Gene variant may predict sudden cardiac death risk for blacks

(Medical Xpress) -- Researchers at Duke University Medical Center have pinpointed a common gene variant in blacks that may be associated with the development of life-threatening heart arrhythmias. The finding may help determine ...

Psychology & Psychiatry

What is a panic attack?

A panic attack is an episode of intense fear with an abrupt onset, lasting from several minutes to up to an hour. It has many mental and physical symptoms such as chest pain, shortness of breath, nausea, dizziness, chest ...

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