India, Nov. 25 -- London (dpa) - Everybody sits on it and some people are said to talk out of it, but one thing a rear end is not associated with in most minds is disease risk - no ifs or buts about it. But according to University of Westminster health researchers, changes to the shape of a person's behind "may reflect underlying metabolic differences"that in turn could signal how likely someone is to develop type 2 diabetes. Drawing on health data covering over 80,000 people in the UK, the team found indications that there are "distinct, sex-specific patterns in the gluteus maximus that were associated with type 2 diabetes." Going from pert to bony or bubbly to wobbly could be a bad sign, it turns out. Of those found to have developed diab...