text:  we could actually, using artificial intelligence imaging and radiographic analysis, we could look at the size of the brain and compare it to the size of the hippocampus. The hippocampus is the area of the brain that entails the memory center. And it's very clear that as we age, there is an exponential decline in the size of the brain. So what can we do about it? We're going to talk about that this hour because we could offset...