08/23/2012 08:47 am ET

American Anxiety: Why We're Such A Nervous Nation (VIDEO)

We’ve become a very tense and anxious nation.

Millions of us are kept awake at night by racing thoughts and are so edgy during the day that our blood pressure skyrockets and our hearts pound -- even though there’s no real threat in sight.

Over the past three decades anxiety disorders have jumped more than 1,200 percent, with as many as 117 million adults in the U.S. reporting high levels of anxiety, studies indicate.

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