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America's oldest woman turns 116 years old
The article discusses the reasons behind human longevity and questions the factors that enable some individuals to live beyond the hundred-year mark, even surpassing 110 years. It notes that science indicates genetic factors contribute approximately 20% to 25% to determining lifespan. However, recent studies have highlighted that this hereditary influence can exceed 50% when external factors are accounted for, emphasizing the increasing importance of genetics in the cases of very long-lived individuals. Research on centenarians, such as Naomi Whitehead, who lived to 116, has shown that genetic factors, along with a healthy lifestyle and the avoidance of smoking and alcohol, play a role in extending lifespan. Additionally, studies suggest that some families with multiple centenarians exhibit inheritable biological traits, such as reduced inflammation and cardiovascular health. Nonetheless, there is no "magic formula" or precise test that can reliably predict an individual's lifespan. Overall, longevity remains a complex interplay between genetics, lifestyle, and environmental factors, with scientists continuing their quest to discover biological markers that might help explain this phenomenon.
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