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  • Arrhythmias

    Arrhythmias are abnormal heartbeats usually caused by an electrical "short circuit" in the heart. Many are minor and not a significant health threat, but others can indicate a more serious problem.

  • Heart and Circulatory System

    The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.

  • E-Cigarettes

    E-cigarettes aren't a safe alternative to smoking, they're just another way of putting nicotine into your body. Get the facts on e-cigs and vaping.