Over the past few months there have been conversations centered around brainspan (the length of time neural networks maintain the capacity for clear thinking, emotional regulation, sound judgment, and adaptive behavior)—> healthspan (the years someone remains physically healthy and free from major disease)—> lifespan (the total number of years a person lives). Healthspan and lifespan have generated a lot of discussion. Unfortunately, brainspan hasn’t gotten enough attention

Over the past century, we have added nearly thirty years to human life expectancy. Advance in cardiovascular care, cancer treatment, infectious disease control, and metabolic medicine have dramatically reduced early mortality. But these medical victories have revealed a new challenge. Many people are living longer while experiencing prolonged periods of cognitive decline, emotional instability, sleep disruption, and loss of independence. Longevity has increased, yet the cap