Fact about obesity in US, from yahoo health news. The scorring from Body mass index is calculated by dividing a person’s weight in kilos by his or her height squared in meters.

WASHINGTON (AFP) - Obesity continued to creep up in the United States last year and now affects more than one in four US adults, a US government report showed Friday
In 2005, 23.9 percent of adults in the United States were obese, or had a body mass index greater than 30, while in 2007, the percentage had grown to 25.6 percent, data issued by the Centers for Disease Control (CDC) showed.

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