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<http://schema.org/Description>
"Sweating, trembling, shortness of breath, and heart palpitations: Is it an anxiety or panic attack, or a heart attack? The symptoms of a panic attack, often caused by stress or anxiety, can be frightening. Learn how to know what's happening to you."
<https://www.everydayhealth.com/conditions/what-its-like-to-have-an-anxiety-attack/>