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Article: Beta-Carotene: The Controversy Continues.
- Article from:
- Alternative Medicine Review
- Article date:
- December 1, 2000
- Author:
CopyrightCOPYRIGHT 2000 Thorne Research Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Abstract
The three [Beta]-carotene intervention trials: the Beta-Carotene and Retinol Efficacy Trial (CARET), Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study (ATBC), and Physician's Health Study (PHS) have all pointed to a lack of effect of synthetic [Beta]-carotene in decreasing cardiovascular disease or cancer risk in well-nourished populations. The potential contribution of [Beta]-carotene supplementation to increased risk of lung cancer in smokers has been raised as a significant concern. The safety of synthetic [Beta]-carotene supplements and the role of isomeric forms of [Beta]-carotene (synthetic all-trans versus "natural" cis-trans isomeric ...
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