all of these specific diseases which are devastating, of course. can it really happen? is there such a pill? >> this is a very big news and very exciting news that just came out of the journal of neuroscience this week. and what they have done is this is all in mice studies. they have engineered mice that develop into alzheimer's and started giving them this pill called mw 151. it is a bill that they gave the mice and what they found was that the ones that actually took it had 0 alzheimer's. the ones that did not take it by 11 months they had full-blown paule. that was bialzheimer's. that was big news. we talk about alzheimer's and the montrea mechanism of this e plaques where the information from one side of the brain doesn't get to the other side. this particular study is changing the way we are going to think about this and there