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Editor's Correspondence
June 11, 2012

Black Tea and Blood Pressure: Did the Blood Pressure Fall or Rise?

Author Affiliations

Author Affiliation: Department of Psychopharmacology, National Institute of Mental Health and Neurosciences, Bangalore, India.

Arch Intern Med. 2012;172(11):894-895. doi:10.1001/archinternmed.2012.1249

In a 6-month, randomized, double-blind, placebo-controlled trial, Hodgson et al1 reported that the intake of black tea was associated with a 2–to 3–mm Hg lower systolic and diastolic blood pressure relative to controls at both the 3- and 6-month follow-up examinations.

All subjects in this study were regular tea drinkers and all also drank leaf tea during the run-in period. Subjects randomized to black tea continued to drink tea for the next 6 months; in other words, nothing changed for them (except, perhaps, they drank black tea, without milk, instead of in the way in which they were accustomed). In contrast, subjects randomized to placebo were abruptly withdrawn from tea.

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