sugar is almost as bad as salt, it turns out. it is in things we don't even know. first tell us about the study. >> this is a very for one. it was published in new england jurn afl medicine. comes from seattle. they looked at about 2,000 pr advertise pants and followed them for long enough period that nice thing about the study is they looked at both diabetics and nondiabetics and had a control group and were able to see that among diabetics, you have an increase of 41%, increased risk of dementia and alzheimer's. will some connection between being diabetic and leading to this kind of alzheimer's. this is not a foreign topic to you. every week we are doing this. we talked about anemia and dementia. we talk about high blood pressure and dementia. now diabetes. >> not just diabetes, though. even people who are not yet declared diabetic but have sugar in their diet should be thinking about this. >> that's right. it is a very good point. that's a pre-diabetic people on the way to becoming diabetic.