With dementia cases expected to surge in the coming decades, interest in brain health has never been higher. I Never Stop MovingIf there is one habit Dr. Perlmutter prioritizes above all others, it is staying physically active. "As I've often said, exercise is the closest thing we have to a magic pill for the brain," Dr. Perlmutter said. I Never Let Social Isolation Become NormalAlthough Dr. Perlmutter described himself as naturally less outgoing, he makes a conscious effort to maintain close relationships. For Dr. Perlmutter, the message is simple: the choices people make every day can have lasting consequences for brain health.