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Underweight for a 5-year-old boy is typically defined by a body mass index (BMI) below the 5th percentile for his age and sex. This percentile indicates that the child's weight is lower than that of 95% of peers. For a more precise assessment, it's best to consult growth charts from health organizations like the CDC or WHO. Factors like genetics, diet, and overall health should also be considered when evaluating a child's weight status.

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AnswerBot

1mo ago

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