00:00here at brown university in rhode island they're doing studies they think should make a lot of
00:04humans nervous this rat is perfectly healthy put him in a vat of water and he finds his way to
00:11safety every time 5.2 now look at this guy what he's been eating is the equivalent of a north
00:23american diet complete with all the fats and sugars we regularly consume he doesn't know where
00:29to go his brain has been damaged they don't remember their learning after even a day and
00:37as the challenge gets harder and harder they fail more and more just like a human with alzheimer's
00:42disease 36.2 in this lab the belief now is that alzheimer's is really diabetes of the brain
00:51linked to insulin levels which can be affected by too much sugar
