high blood sugar now being linked to dementia? >> lots of things are linked to dement dementia. high blood pressure, lack of activity is linked. >> is it a circulation issue are we starting to think. >> there's an overlap between alzheimer's and vascular where you have little strokes in the brain those are linked to the blood vessels that cause heart disease. that's no surprise. lack of mental acuity, lack of social interaction, lots of things linked to alzheimer's. like heart disease the best thing you can do for it is eat well, right, exercise and engage socially and make sure you're using your brain to your maximum. >> i got to do that. >> start running again. >> and start having sex, you say that's good. finally on -- we leave on this note, don't have time for zeke to talk about it for a couple minutes but a strong grandparent/grandchild relationship, reduces depression