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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

To the Editor: The authors of the PREMIER trial¹ found that a comprehensive lifestyle approach, either with or without the addition of dietary counseling, resulted in significant decreases in blood pressure (BP) and excess body weight among adults with above-optimal BP.

There are 2 ways that the authors' interventions could have been more optimally designed. First, they limited the exercise recommendation to a minimum of 30 min/d. Several studies^2-4 have suggested that 30 minutes of moderate physical activity daily is not enough to achieve optimal weight control. Thus, the World Health Organization recently recommended a minimum of 1 hour of moderate physical activity nearly every day for everyone, whether the activity is recreational or occupational.⁵ Second, the relatively short (6-month) intervention and follow-up periods may have been too brief to reach the desired levels of fruit and vegetable intake. This is more likely to be achieved by several years of . . . [Full Text of this Article]

William J. McCarthy, PhD
UCLA School of Public Health
Los Angeles, Calif

Thalida Em Arpawong, MPH; Barbara J. Dietsch, PhD, RD
WestEd
Los Alamitos, Calif

Antronette K. Yancey, MD, MPH
UCLA School of Public Health
Los Angeles

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