Super Bowl could be hazardous to some fans' health

It’s fourth and long with 10 seconds on the clock. The anxiety builds. Epinephrine floods the bloodstream. Blood vessels constrict as the ball is snapped, causing a spike in blood pressure.

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<p><a href="http://www.physorg.com/news89476314.html">Super Bowl could be hazardous to some fans' health</a></p> <p>It’s fourth and long with 10 seconds on the clock. The anxiety builds. Epinephrine floods the bloodstream. Blood vessels constrict as the ball is snapped, causing a spike in blood pressure.</p>