I think when compared to white kids; which is how white people are generally basing their comparisons due to their life experiences, black kids have a tendency to look older once they enter puberty.

I can't figure out what issue you have with my initial statement unless you were reading it with a negative voice which doesn't make sense to me with the message and links provided. I guess I could have offered more explanation but I felt the provided links did that better than I could. If you think of something please let me know because I honestly don't get your issue.