According to current definitions [1], individuals ages 2 to 18 years are determined to be overweight (≥ 85th and < 95th percentile [of prior population distributions]) or obese (≥ 95th percentile) based on U.S. age- and sex-specific body mass index (BMI; kg/m 2) charts updated by the Centers for Disease Control and Prevention (CDC) in 2000 [2]. The prevalence of being obese among children has increased over the last several decades and is a major public health concern. A recent survey [3] indicated that 16.3% of children and adolescents aged 2 through 19 years were at or above the 95 th percentile of the BMI-for-age growth charts.

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