Explain why increasing the amounts of the two enzymes changed the life spans of the mice
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genetic switches that increase lifespan and boost fitness in worms are also linked to increased lifespan in mammals, offering hope that drugs to flip these switches could improve human metabolic function and increase longevity.
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The two enzymes that increased the lifespan of the mice by 16% were p53 and arf. These two were genetically engineered and were inserted into the mice. This provided the mice with the ability to live longer than a normal mouse. In theory this treatment could one day be available for humans too.
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