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Episode 145 Health & Biology

Jeanne Calment: The Oldest Human Ever

She lived to 122, smoked, drank wine, and ate chocolate. What can the world's oldest person teach us about longevity?

By Justin Hartfield 4:20 Health & Biology Updated December 22, 2025
Jeanne Calment: The Oldest Human Ever
Justin Hartfield

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Justin Hartfield

Founder of Weedmaps, student of Dr. Bob Melamede, and explorer of far-from-equilibrium systems. Connecting thermodynamics, consciousness, and human potential.

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Jeanne Calment lived to 122 years and 164 days. That's the longest confirmed human lifespan in history. And her lifestyle might surprise you.

She smoked cigarettes until age 117. She drank port wine. She ate two pounds of chocolate a week. She didn't exercise much. By all conventional health advice, she should have died decades earlier.

So what was her secret?

The Attitude Factor

When asked about her longevity, Calment attributed it to her calm disposition. "I wasn't afraid of anything," she said. She laughed easily, didn't hold grudges, and famously said, "If you can't do anything about it, don't worry about it."

Dr. Bob Melamede would have recognized this immediately. Chronic stress is one of the biggest killers. It depletes the endocannabinoid system, promotes inflammation, and accelerates aging. Calment's unflappable attitude may have protected her from the worst effects of her unhealthy habits.

The Olive Oil Connection

Calment also consumed large amounts of olive oil—she poured it on her food and rubbed it on her skin. Olive oil is rich in oleic acid, which is a precursor to oleamide, a compound that interacts with the endocannabinoid system.

Infographic
Jeanne Calment lived to 122 years on olive oil, chocolate, port wine, and cycling until 100. Her Mediterranean lifestyle supported her endocannabinoid system.

She also ate a Mediterranean diet rich in omega fatty acids—the building blocks of endocannabinoids. Her chocolate habit? Chocolate contains anandamide and compounds that slow its breakdown.

Coincidence? Maybe. But it's interesting that many of her "indulgences" actually support endocannabinoid function.

"Longevity isn't just about avoiding bad things—it's about maintaining the systems that keep you resilient."

The Lesson

Calment's life suggests that the conventional health advice—don't smoke, don't drink, exercise constantly—may be missing something important. Stress management and attitude may matter more than we think. Supporting your body's regulatory systems may be more important than avoiding every possible risk.

The Forward-Looking approach to longevity isn't about fear and restriction. It's about resilience and adaptation. Calment embodied this. She didn't fight life—she flowed with it. And she outlived everyone.

Maybe there's a lesson in that.

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