The Real Secret to Living Past 100? It’s Not a Supplement. It’s Your Lifestyle.

There’s a small city about 60 miles east of Los Angeles that has become famous for something most communities would envy: exceptional longevity. Its large Seventh-day Adventist population has been studied for decades, and researchers have found substantially longer life expectancy among California Adventists compared to their neighbors.

Welcome to Loma Linda, California.

Quick Answer

Loma Linda’s longevity story isn’t about one food, supplement, or medical breakthrough. Decades of research on California’s Seventh-day Adventists point to a combination of regular physical activity, plant-forward eating, not smoking, a healthy body weight, and strong community ties. The bigger lesson: sustainable daily habits matter more than any single longevity “hack,” and staying mobile is what makes those habits possible to sustain for decades.

What Is a Blue Zone, Exactly?

The term comes from demographers Gianni Pes and Michel Poulain, who in 1999 identified a cluster of villages in Sardinia, Italy, with an unusually high concentration of people living past 100. They circled the region in blue ink on a map, and the name stuck. Researcher Dan Buettner later expanded the concept to include Okinawa (Japan), Ikaria (Greece), and Nicoya (Costa Rica), regions where people live measurably longer, healthier lives.

Loma Linda is widely described as the only Blue Zone in the United States, based on the exceptional longevity documented among its large Seventh-day Adventist community. It’s worth being precise here: the underlying research specifically studied California Adventists, not every resident of the city. The Adventist Health Study, an ongoing research project led by Dr. Gary Fraser at Loma Linda University, found that Adventist men lived about 7.3 years longer and Adventist women about 4.4 years longer than other Californians in the original cohort analysis, and Loma Linda was designated a Blue Zone on the strength of that evidence.

A quick note on the science: The Blue Zones concept has attracted both genuine support and genuine criticism. Some researchers have questioned the reliability of historical age records in a few of the originally identified regions, arguing that incomplete birth registration decades ago can make small populations look artificially long-lived. A 2025 response published in The Gerontologist defended the demographic validation methods behind the four classic Blue Zones, arguing the ages were extensively cross-checked against independent records. That same paper also notes the picture isn’t static: Okinawa, for instance, no longer meets the criteria it once did, and Nicoya’s numbers have shifted over time. The debate is ongoing. What’s better supported, independent of where anyone lands on the Blue Zones label itself, is that the individual habits tied to these populations (physical activity, not smoking, plant-forward eating, and social connection) are each backed by their own body of health research.

What Adventist Longevity Research Actually Points To

The Adventist Health Study has tracked tens of thousands of people for decades and has identified several factors consistently associated with longer life in this population: not smoking, maintaining a healthy body weight, regular physical activity, a vegetarian or plant-forward diet, and frequent nut consumption. Faith and community life shape how those habits show up day to day:

They move regularly, often without “exercising” for it. Walking, gardening, and staying on their feet are part of daily life, not a scheduled gym session.
They eat mostly plants. Around 30 percent of Adventists are vegetarian, and the broader community leans heavily toward fruits, vegetables, whole grains, nuts, and legumes.
They protect time for rest, faith, family, and community. Adventists observe a 24-hour Sabbath from Friday evening to Saturday evening, creating a regular, built-in period away from work and many everyday demands. Researchers see this as one plausible piece of the puzzle, alongside diet and activity, though it hasn’t been isolated as a standalone cause of longer life.
They stay socially connected. Strong community ties and a shared sense of purpose show up as protective factors across multiple longevity populations, not just this one.
They don’t smoke. Avoiding tobacco is one of the most consistently identified factors in the Adventist Health Study’s longevity findings.

None of this is exotic. It’s daily movement, real food, regular rest, community, and not smoking, sustained for a lifetime. The pattern that keeps showing up in the research isn’t a secret. It’s consistency.

The Piece Most Longevity Articles Skip: Staying Mobile

Here’s what rarely gets mentioned in longevity content, and it’s the piece we think about most: it’s hard to stay active for decades if your body can’t move well.

Every habit tied to longevity, walking, gardening, staying social, showing up for life, depends on a body that can still do those things comfortably. Research on aging points to a few consistent themes:

Muscle mass, strength, and physical performance tend to decline with age, and sarcopenia (age-related muscle loss) can accelerate that decline. Resistance training and multicomponent exercise programs have been shown to help preserve muscle strength and physical function in older adults.
Sarcopenia is associated with greater fall risk, and exercise interventions have been shown to reduce injurious falls in older adults while helping maintain physical function.
Persistent pain can make people less physically active, which adds another barrier to maintaining strength, mobility, and independence over time.

Longevity research and mobility research are telling a connected story. Staying active supports healthy aging, and staying mobile and pain-free is what allows someone to keep doing the activities the research points to in the first place.

How to Apply This, Starting Now

You don’t need to move to Loma Linda to borrow its habits. A few places to start:

Build in daily movement you don’t have to force. Walk instead of drive when you can. Take the stairs. Garden. Movement that’s built into your day is easier to sustain than movement you have to talk yourself into.
Shift your plate toward plants, without needing to go fully vegetarian. More vegetables, legumes, nuts, and whole grains; less ultra-processed food.
Protect real time for rest and connection each week. Not necessarily a full Sabbath, but intentional space away from work and screens.
Invest in your strength and balance, especially after 40. A physical therapist can help you build a plan around your body, your injury history, and your goals, so movement stays sustainable instead of becoming a source of pain.
Stay connected. Prioritize the relationships and communities that keep you engaged and showing up.

The Bottom Line

The story out of Loma Linda isn’t about a supplement or a medical breakthrough. It’s about an environment where movement, real food, rest, and connection are the daily default rather than something people have to fight for.

You can build pieces of that environment for yourself. And if pain, old injuries, or mobility limits are getting in the way of staying active, physical therapy can help address the strength, balance, and pain-related barriers that make consistency hard. Staying mobile is what makes the rest of a long, active life possible.

Frequently Asked Questions

What is a Blue Zone?

A Blue Zone is a region researchers have identified where people live measurably longer, healthier lives than average, often reaching 90 or 100 in good health. The four classic, demographically validated Blue Zones are Sardinia (Italy), Okinawa (Japan), Ikaria (Greece), and Nicoya (Costa Rica), with Loma Linda, California added later based on Adventist longevity research.

Is Loma Linda considered a Blue Zone?

Loma Linda is widely described as the only U.S. Blue Zone, based on the exceptional longevity documented among its large Seventh-day Adventist community. The underlying research specifically studied California Adventists rather than proving every resident of the city shares the same longevity advantage. The original Adventist Health Study analysis found Adventist men lived about 7.3 years longer and women about 4.4 years longer than other Californians.

Is the Blue Zones concept scientifically settled?

Not entirely. Some researchers have questioned the reliability of historical age records behind a few of the original Blue Zones, while other demographers have published detailed rebuttals defending their validation methods. The debate over the label is ongoing. What’s better established is that the individual habits associated with these populations, including physical activity, plant-forward eating, not smoking, and social connection, are each independently supported by health research.

What lifestyle factors are associated with longer, healthier lives?

Research points to a combination of behaviors rather than one magic factor. Regular physical activity, not smoking, maintaining a healthy body weight, eating a nutrient-dense diet, and staying socially connected are among the factors repeatedly associated with longevity in Adventist Health Study research and in broader aging research.

Can physical therapy help with longevity?

Physical therapy isn’t a treatment proven to extend lifespan on its own. What it can do is address the strength, balance, mobility, and pain-related barriers that make it harder to stay physically active as you age, and staying active is one of the most consistently supported factors in longevity research.

Sources

Fraser, G.E. & Shavlik, D.J. (2001). “Ten Years of Life: Is It a Matter of Choice?” Archives of Internal Medicine.
Adventist Health Study, Findings for Longevity, Loma Linda University School of Public Health.
Poulain, M., Pes, G.M., et al. (2004). Original Sardinian longevity demographic research, Experimental Gerontology.
Austad, S.N. & Pes, G.M. (2025). “The validity of Blue Zones demography: a response to critiques.” The Gerontologist.
Yeung, S.S.Y. et al. Systematic review and meta-analysis, sarcopenia and its association with falls and fractures in older adults.
Umbrella review, exercise and nutritional interventions for sarcopenia-related fall prevention in older adults.