"We do know that he won't get any taller,'' Goldberg said. "It rewires his brain and tricks it into thinking he's much older than he is.
"You're giving a powerful hormone to the receptors in the brain that want to go at a slow pace, but steroids trick the receptors into thinking this boy is fully grown, so he stops growing and instead of being 6-foot, or 6-foot-3, he'll stop at 5-5 or 5-6.
"The heightened aggression that comes on might persist forever, as will changes in personality. As if adolescence wasn't tough enough, it heightens adolescence.
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