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I think you might have missed the point. To the general public and other sports/activities it's little known. Yet here is a Johnny guy lay person Xfit instructor who knows what is ailing the person before she even tells him. Why would a guy guess right on something so rare?

Because "Johnny guy lay person" was educated. If it was a secret that CrossFit was trying to cover up, then he wouldn't have known.

The "Dirty Little Secret" is they know their users are vulnerable to this otherwise very rare condition.

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