In an era when the promise of extended youth has become a multibillion-dollar marketplace, sixty-three longevity specialists have offered a quieter answer to the question of how humans age well: not through expensive interventions, but through the unglamorous rhythms of movement, sleep, connection, thought, and nourishment. A 2026 survey placed these five accessible habits above the costly biohacks that dominate anti-aging culture, reminding us that the most durable wisdom about human flourishing has rarely required a subscription.