an Italian statistician at the University of Rome, Elisabetta Barbi, conducted a thorough analysis of thousands of elderly Italians who had lived to 105 or longer. Normally, the risk of dying increases with age—an 80-year-old is significantly more likely to die within the next five years than a 40-year-old. But Barbi’s team found that after 105, the risk of dying flattens out to a plateau, so after that age, your risk of dying in the upcoming year holds at fifty-fifty. Hekimi, who was not involved in the study, praised it. It suggests that there may not be a limit, especially if we can figure
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