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The SpaceX Falcon 9 test rocket lifts off from Space Launch Complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, May 22, 2012. REUTERS/Pierre DuCharme

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An injured protester holds his head during clashes between the local people and protesters during the second day of the three-day long general strike called by the Nepal Federation of Indigenous Nationalities (NEFIN) in Kathmandu May 21, 2012. The general strike was called to demand the names and territory of the 11 federal states and to guarantee the rights of indigenous nationalities in the new constitution, according to local media. REUTERS/Navesh Chitrakar (NEPAL - Tags: POLITICS CIVIL UNREST)

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FACTBOX: Body mass index measures obesity

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Mon Aug 27, 2007 10:10pm EDT

(Reuters) - Obesity rates are up in most states and fewer people are exercising, according to a U.S. survey published on Monday.

Body mass index, or BMI, is used to measure obesity and it is a simple weight-to-height calculation.

It is calculated by dividing weight in kilograms by height in meters squared, or by multiplying weight in pounds by 703 and dividing it by height in inches squared.

A person 65 inches tall, or 5 feet 5 inches, has a BMI of 25 and is overweight at 150 pounds (68 kilograms). The same person would be obese, with a BMI of 30, at 180 pounds (81.6 kilograms).

At 6 feet, or 72 inches, a person has a BMI of 30 at 221 pounds (100 kg) and a BMI of 25 at 184 pounds (83.5 kg).

The National Institutes of Health has an online BMI calculator at www.nhlbisupport.com/bmi/.
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