The true measure of longevity isn't found solely in the years we live or the numbers on a health chart—it's found in how vibrantly we continue to live: moving with confidence, thinking with clarity, adapting with resilience, and remaining fully engaged in the people and experiences that give life meaning. Modern longevity medicine has transformed our ability to extend lifespan and optimize physical health. Yet the true measure of longevity is how long we continue to move with confidence, think with clarity, adapt with resilience, and remain fully engaged in life. ​ We call this Neurological Healthspan—the third, and perhaps most important, pillar of longevity.  Lifespan — How long we live. Physical Healthspan — How healthy we are. Neurological Healthspan — How vibrantly we live. Neurological Healthspan is the duration of life during which the brain and nervous system maintain the neurological capabilities that sustain vitality, independence, and meaningful engagement with life....