A member asked:

Is it true that boys only grow up till age of 21?

A doctor has provided 1 answer

maybe: In most, their growth centers close around 17-18 if their bone maturity matches their age.For some "late bloomers"their growth centers can remain open and growth is possible.This can be verified by an xray of the wrist and hand that has dozens of growth centers that close at various times and allow a specific determination of bone maturity.

Answered 10/23/2013

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Thank

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