My in-laws are raising their granddaughter. They have a house right next to ours (they do not live here full time .. just visit during summer .. vacations) My neice who will be 10 in May is very over weight. My MIL has mentioned to me for the 3rd time something about dark spots on my neices skin. She said it is the start for diabetes and she can tell when she has had to much sugar since these dark spots start showing up. I had never heard of this so did google it and found a little bit about it but the ADA site claimed most likely the spots would be on legs. The first time she showed me one the skin was more like wrinkled in a patch on the back of her neck. But MIL claims they also show up on her arms when she eats sugar. Have any of you heard of this or dealt with it?