July 29, 2006 Hour Two: High blood pressure, pulse pressure and the risk of heart attacks.

Published: July 31, 2006, 4:34 p.m.

You\u2019ve heard about blood pressure, but what about something called pulse pressure?\xa0 According to a new study, if your pulse pressure is high, you may be at a much greater risk of heart attack.

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We\u2019ll also explain why blood pressure goes down at night.

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We\u2019ll discuss new research that indicates there may be a link between migraine headaches and heart disease.

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Plus, we\u2019ll share a way runners can try to beat the heat.

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Dr. Cooper takes calls.