Scientists Studied the DNA of a Woman Who Lived to 117—and Discovered Fascinating Clues About Longevity

Maria Branyas Morera lived an extraordinary 117 years, witnessing more than a century of change. Born in San Francisco on March 4, 1907, she later moved to Catalonia, Spain, where she spent most of her life. She passed away on August 19, 2024.

Before her death, Maria agreed to let scientists study her biological characteristics to better understand why some people live exceptionally long lives.

Researchers from Spanish institutions examined her genetics, cells, and other biological markers to investigate how her body had aged.

What researchers discovered

The study revealed several interesting features of Maria’s biology, including relatively favorable levels of certain blood fats and signs that her biological health differed from what might typically be expected at her age.

Scientists also examined her telomeres, protective structures at the ends of chromosomes that are often studied in aging research. Their findings offered potential clues, but they did not establish a single explanation for her remarkable lifespan.

Maria’s daily habits also attracted attention. She valued routine, stayed connected with family and friends, and enjoyed a relatively active social life. She was also known to eat yogurt regularly.

However, researchers have not established that yogurt—or any single food—was responsible for her longevity. Her experience cannot prove that the same habits will help everyone live to an advanced age.

Experts believe exceptional longevity likely results from a combination of inherited traits, lifestyle, environment, and other factors that are still being investigated.

Maria’s simple philosophy of life

Maria became the world’s oldest verified living person in January 2023 and held that title until her death at 117 years and 168 days.

She also recovered from COVID-19 in 2020, drawing attention to her remarkable resilience.

In messages shared with the public, she emphasized the importance of family, friendship, emotional balance, staying positive, and avoiding unnecessary worries.

Maria’s story offers a fascinating reminder that aging is complex. Her life may help scientists better understand longevity, but there is no single food or secret proven to guarantee a longer life.