There’s a new Discussion on Gymnastics Examiner.
Most of the arguments pro and con are included. Here’s my opinion:
Since there is no way to medically confirm chronological age, I’m against any minimum age rule for the Olympics.
If there were a way to confirm age, I’d still be against any minimum age requirement (though not quite so strongly). I’m not convinced the current rule has done much to protect younger children from over training. Younger athletes are often actually safer doing high difficulty routines than they are when old.
Read more on Examiner.com The Discussion: The great age debate
Wikipedia has a good history and summary of the issue.
Gymnastics Coaching.com 