Unlocking Longevity: Gut Health Secrets from the World’s Oldest Person

Scientists are uncovering secrets to a long life by studying the world’s oldest person, Maria Branyas Morera. She lived to be 117 years old and passed away in August 2024. Born in San Francisco in 1907, Maria outlived the average life expectancy in Catalonia, Spain, by over 30 years. She credited her longevity to a mix of “luck, good genetics,” and the wisdom of avoiding toxic people.

Researchers recently analyzed Maria’s genes, gut health, and lifestyle, revealing remarkable findings. The study showed her cells functioned as if they were 17 years younger. This youthful biological age is particularly interesting in light of what we know about aging. A decrease in immune function and an increase in chronic disease risk are common as we age, but Maria’s genome suggested she had a stronger immune system and lower risk for conditions like cancer and heart disease.

The researchers specifically looked at DNA methylation, a key factor in the aging process. They discovered that Maria exhibited a unique pattern, indicating her biological aging was much slower than her chronological age. This new understanding can give us insight into what contributes to a long, healthy life.

Maria also had a healthy gut microbiome, rich in Bifidobacterium, known for its anti-inflammatory properties. Experts highlight the importance of gut health, noting it influences everything from immunity to mental well-being. But the exact relationship between gut bacteria and longevity is still a mystery, prompting further investigation.

Her diet played a crucial role, too. Maria followed a Mediterranean diet filled with fruits, vegetables, and yogurts, while steering clear of alcohol and smoking. Studies increasingly support the benefits of a high-fiber, probiotic-rich diet, linking it to better gut health and overall well-being.

According to a report by NIA, people aged 100 and older now represent one of the fastest-growing segments of the U.S. population. This statistic reflects improvements in healthcare and living conditions over the past century.

Overall, Maria’s story and the recent research offer a valuable perspective: extreme age and poor health don’t always go hand-in-hand. As experts push forward in understanding the biology of aging, we see that our choices in diet, lifestyle, and overall health can significantly impact how we age. This insight may pave the way for healthier, longer lives for everyone.

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