Recent research shows that Japan's world-leading life expectancy of 84.7 years is not just due to diet and healthcare, but also to cultural attitudes towards stress. Japanese people tend to embrace imperfection, avoid comparing themselves to others, accept things beyond their control, and find multiple sources of meaning in life, rather than chasing perfection or obsessing over one singular purpose. These attitudes contribute to better stress response, adaptability, and overall mental health.

The study from Sophia University found that cultural practices in Japan, such as wabi-sabi, oubaitori, shikata ga nai, and ikigai, have tangible benefits for stress reduction and resilience. As younger generations continue to adopt and strengthen these cultural mindsets, the country's life expectancy is projected to reach 91.35 years for females and 84.95 years for males by 2065. Researchers are now exploring whether these stress reduction philosophies can be adapted for other populations to improve overall health and longevity.