ScienceDaily: New Insights On Heart's 'Fight Or Flight' Response To Stress

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ScienceDaily:

New Insights On Heart's 'Fight Or Flight' Response To Stress

http://www.sciencedaily.com/releases/2009/03/090309191511.htm

Even for those without a heart condition, it's a peculiar feeling when your

heart " races " in response to stress. That pacing change happens in part because

of how the enzyme calcium/calmodulin-dependent protein kinase II is called into

action by the body's " fight or flight " stress response, researchers have found.

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