"116-year-old San Francisco-born grandma holds title as world's oldest woman, scientists study her secrets"

Scientists are studying Maria Branyas, a 116-year-old woman from San Francisco, to uncover the secrets of her long and healthy life. Branyas, the oldest person in the world, has no major health issues and has survived numerous historical events. Researchers have taken DNA samples to analyze her genes and lifestyle factors that contribute to her longevity. The study aims to develop drugs to combat age-related diseases such as neurodegenerative and cardiovascular conditions.