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Does drinking coffee cause a rise in blood pressure?

For individuals who regularly consume caffeine, coffee has no effect on blood pressure. For people who have not consumed caffeine for a certain period of time, drinking coffee can lead to a small, short-lived increase in blood pressure. Any caffeine-associated increase in blood pressure would have subsided and reverted to pre-caffeine levels after a few hours.

Research shows that regular coffee drinkers do not have comparatively higher blood pressure than nondrinkers of coffee, as the body quickly becomes tolerant to caffeine's effects on blood pressure.

Sources and further reading : http://www.cosic.org/questions/ and http://www.koffiethee.nl