Use of herbs among adults based on evidence-based indications: findings from the National Health Interview Survey.

Abstract

OBJECTIVE To examine the extent to which US adults use herbs (herbal supplements) in accordance with evidence-based indications. PATIENTS AND METHODS The Alternative Health supplement of the 2002 National Health Interview Survey (NHIS) is part of an annual, nationally representative survey of US adults. It contains data on adults' use of the 10 herbs most… (More)

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