New Research Suggests Caffeine Elevates Blood Pressure, Stress

By Salynn Boyles
WebMD Medical News
Reviewed By Charlotte Grayson, MD

Aug. 1, 2002 -- Like millions of Americans, self-described coffee addict Kathy Liebswager can't quite function in the mornings until she has had her caffeine fix. She typically drinks eight to 10 cups throughout the day, and she says she believes the caffeine has a calming effect on her.

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