abuse drugs. we like to put them all under an umbrella of, there's something wrong with their dopamine system. these people specifically, you know, don't get enough neurotransmitter that tells them that they're full, or their stoming is not telling them the right signals. but, you know, everybody's pathology is very different. and until i think that we can accurately diagnose why people have these addictive behaviors, it's going to be difficult because we're going to be working with a one size fits all treatment. >> let me say, as a follow-on to that, i do a lot of people who have lost all the weight and they are not right emotionally after they lose the weight. there's all kinds of reasons the weight was there and those things often have not been dealt with. >> don't they become more addicted? >> probably alcoholism is way up. the way the alcohol gets to the brain is much different. >> there's challenges even with depression, when you lose 100 pounds, and you think, you should really be doing well. >> larry: we have a facebook