Diseases like alzheimers, als, and parkinsons. This is about 20 minutes. Thank you for finishing up our conference. You have so leaves us with the profound message that we should take on today. A big responsibility. We were talking before, and i think we have not really talked a lot about this today, the issue of Healthy Aging and how that plays into our new health system, whenever it may be. We tend to focus on, you know, the more acute diseases. You and i were talking earlier how about alzheimers. As a neurologist. One of the things we really need to think about is what is aging, the simple definition is getting older. But if we try to figure out how we can retard aging, slow it down, everyone would like to do this. The big problems that people face as they get older are these terrible brain diseases. If you look at the statistics, if all of us in this room live to be 85 and we are all the same age at the same time, every other person in the room will be demented. About onefifth of t