that increases your beta amaloid. all these doughnuts and foods we talk about it, replace them with vegetables and berries. exercise, exercise actually can reduce the level of beta amaloid in your brain, and finally, sleep, which we'll talk about, is also going to reduce it. if you can do it at least for monday morning, you have an option. >> notice how dr. samadi pronounces the word alzheimer's. that's the correct pronunciation, and think about this. this is a little on the nothingative side. if you knew, eric, that five years from now, you were going to have a problem thinking or you were going to be forgetful, you could say, look, we better do something about this now. what's your home situation? who are your care takers? how can we predict the future? that's a big deal in medicine. >> a lot of patients don't want to know if you can't treat it. >> we're getting there with treatment. but we want the treatments early. >> speaking of the brain health, do you know your brain when it's sleeping is actually really busy w