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Both low and high testosterone seem to be linked to an irregular heartbeat, study finds

(John M Lund Photography Inc/Digital Vision/Getty Images) Raising a low hormone level might seem like a straightforward way ...
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Is your heart beating too fast or irregularly? Cardiologist shares 6 major signs of arrhythmia

In some cases, these irregular beats may point to arrhythmia, a condition in which the heart beats too fast, too slow or irregularly because of a disruption in its electrical signals. To understand ...