ANTIGUA, Guatemala — Raúl is a happy preschooler, tumbling around among 4- and 5-year-olds, but something is off.
It’s not his behavior, for it’s the same as that of the other little kids. Rather, it’s his face. The baby fat is gone, and although he’s only 3 feet 5 inches tall, the height of an average 5-year-old, an older face seems grafted on.
Sure enough, Raúl turns out to be 9.

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