How big is the problem? and what's it doing for those people who actually want to use this for the thing it was meant for, which is diabetes? >> so, sara this is becoming a problem for some people with diabetes. they rely on this medicine to control their blood sugar levels, and they're not able to get it because people are using it for weight loss. now, to be clear, weight loss is also a legitimate use for this drug if you're over a certain weight. the problem is that people are using it where it's not necessarily clear that they really medically need it. and that can be taking it away from p...