In-depth

Stress symptoms

Aches and pains, irritability, and crying spells may have an unexpected source — stress. Recognize these and other signs and symptoms so that you can take action.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Nov. 15, 2011

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