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, wife of the second US president, was born in 1744. It's entirely possible that there are Greenland sharks still living today that were swimming in the North Atlantic Ocean at the time.. In 2016, researchers discovered they can survive for at least 272 years, but they might get as old as 400.Scientists hope that unlocking the secrets of how these fish age could help humans live longer, healthier lives.
"Better understanding the anatomy and adaptations of a long-lived species such as the Greenland shark may allow us to improve human health," Camplisson, a PhD student at the University of Manchester, told Business Insider.Mostly found in the Arctic and North Atlantic oceans, Greenland sharks are leisurely swimmers that can reach between 8 and 23 feet long and weigh as much as 1.
Camplisson's new research, which he presented at the Society for Experimental Biology Annual Conference earlier this month, showed that sharks' metabolic rate may not slow as they age, which could help explain why the sharks live so long.Camplisson looked at the activity of five metabolic enzymes in preserved Greenland shark muscle tissue.
"Aging is an incredibly complex system, and we still don't have a definitive answer to how exactly it works," Camplisson said.
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