A Swedish study reports that job strain is associated with an almost 50 percent increased risk of a-fib.

If you have high-normal levels of thyroid hormone within the reference range, research now confirms that you face an increased risk of atrial fibrillation.

Learn about the different tests that can be used to identify atrial fibrillation.

Thyroid problems are a common cause of heart-related symptoms and conditions that increase your risk of heart attack, heart failure, and stroke.

People with implantable cardioverter-defibrillators are at risk for depression and anxiety, which can affect their outcome and quality of life.