The combination of favorable climates, closeness to nature, and clean air and water in these regions creates healthful conditions for longevity. Another key quality of these regions is plant-based nutrition. The residents consume large quantities of vegetables, fruits, legumes, and whole grains. And one particular vegetable is most commonly consumed by Blue Zone residents – squash, although each region has its own variety. For example, the residents of Okinawa, Japan like kabocha squash, or Japanese pumpkin, while those of the Greek island of Ikaria enjoy butternut squash. These foods are rich in essential nutrients, including vitamins, minerals, and antioxidants, all of which are essential to human health.
Caloric moderation is another key factor observed in Blue Zones. Traditions such as "Hara Hachi Bu" in Okinawa, where individuals eat only until they’re 80% full, exemplify this approach.
Active aging is a key concept in the Blue Zones, where older adults remain contributors to their communities. Instead of being seen as burdens, elders are valued for their wisdom, experience, and unique perspectives. They engage in community events, volunteer work, and mentoring the younger generations. This involvement provides a sense of purpose, fulfillment, and belonging. By remaining socially and physically engaged, older adults maintain a high quality of life, preserving their physical and mental health. Active aging fosters a positive outlook on getting older and contributes to the extended lifespans observed in these regions.