Loma Linda, California, is considered a “Blue Zone“—a, region where people live significantly longer, healthier lives—primarily because of the high concentration of Seventh-day Adventists living there. Residents, particularly members of this church, often live about a decade longer than the average American due to a lifestyle deeply rooted in faith, community, and specific health habits. 

Here is a breakdown of why Loma Linda is a Blue Zone:

1. Plant-Based and Healthy Diet 

• Vegetarianism: Many residents follow a biblical, plant-based, or vegetarian diet.
• “Superfoods”: The diet is rich in nuts, beans, fruits, and vegetables. Studies have shown that Adventist women who frequently eat tomatoes have a significantly lower risk of ovarian cancer, for example.
• Limiting Meat: Meat is eaten rarely, and many residents avoid processed foods and refined sugar. 

2. Physical Activity and Lifestyle

• Constant Natural Movement: Instead of intense gym routines, residents engage in regular, moderate exercise, such as walking, gardening, and hiking.
• No Smoking or Alcohol: The Adventist faith encourages abstinence from tobacco and alcohol. 

3. Faith, Rest, and Community

• Sabbath Rest: A key contributor is the 24-hour weekly Sabbath (Friday sunset to Saturday sunset), which is used for spiritual reflection, family time, and disconnecting from work-related stress.
• Strong Social Connections: The community is highly interconnected, often socializing through church activities, potlucks, and volunteering.
• Sense of Purpose: A strong sense of purpose (“why I wake up in the morning”) is common, which is linked to lower stress and higher resilience in older adults. 

4. Environmental Factors

• Health-Conscious Environment: The city has controls on the sale of alcohol and bans on smoking. It is often described as a place where the healthy choice is the easy choice, with easy access to fresh, plant-based foods. 

Research, including the Adventist Health Study, has shown that these combined factors allow residents to live, on average, 4 to 10 years longer than the general population.

Other Global Blue Zones

Loma Linda belongs to a small group of “original” Blue Zones identified by researcher Dan Buettner and National Geographic: Loma Linda Chamber of Commerce +3

• Okinawa, Japan: Home to the world’s longest-lived women.
• Sardinia, Italy: Boasts the highest concentration of male centenarians.
• Nicoya Peninsula, Costa Rica: Features the world’s lowest rate of middle-age mortality.
• Ikaria, Greece: An island with very low rates of middle-age mortality and dementia. 

While these areas are famous for their unique environments, health experts emphasize that these principles—like moving naturally, eating plants, and staying connected—can be adopted anywhere.