Dr. Zhang said her team is evaluating other factors, such as genes and physical activity levels and the interaction between genes and diet and lifestyle factors, that might affect a woman???s diabetes risk as well, in a large ongoing study on U.S. and Danish women (Diabetes & Women???s Health Study, <a href="http://www.dwhstudy.org">http://www.dwhstudy.org</a> ) supported by the NICHD.