A groundbreaking study by gerontologist Daniela Jopp explores the lives and well-being of centenarians in Switzerland. With 2,086 individuals aged 100 or more, primarily women, it reveals that 92% express satisfaction with their lives, highlighting psychological factors as key to their well-being despite physical challenges. The study also notes the importance of community, resilience, and interests in longevity, suggesting that lifestyle choices play a more significant role than genetics in achieving such remarkable ages.