Maria Branyas credited genetics for her long life of 117 years, but researchers found the woman also had a unique gut biome. Branyas, who remained lucid until the end of her life, had the gut biome "more typical of a child," Manel Esteller said. "We discovered a large quantity of bifidobacteria and a great diversity, which is indicative of a healthy microbiota," Esteller said. For the last 24 years, Branyas ate three yogurts a day, and lowered her biological age by 17 years. (newser)