What a brain expert eats in a day to boost memory and stay sharp

For neuroscience researcher, Marc Milstein, eating healthy isn't only to keep your body fit and strong but to do the same for your brain. In his book, "The Age-Proof Brain: New Strategies to Improve Memory, Protect Immunity and Fight Off Dementia," Milstein breaks down lifestyle habits that can help keep your brain young no matter your age. Milstein shares with CNBC Make It what he eats throughout the day to boost his memory and stay sharp.