GD is a funny one. Although diet and lifestyle help keep diabetes at bay, it can and does strike anyone. Cathy Freeman is a prime example of that.
there are certain groups more prone to GD - indigenous people are one of them. and then there's other factors like age on top of lifestyle & hereditary ones. but i agree that there are definitely people who seem to get it for no apparent reason!!

as an aside, i was interested to see cathy freeman being talked about as having type 2 diabetes. when GD isn't quite the same. i thought it would have been a great time to raise awareness in general about GD.