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Can humans live forever?

At this point, no, although not for lack of trying. Humans are thought to have a maximum lifespan of 120 years because of a biological phenomenon called the Hayflick limit, a cell's natural lifespan. Researchers know how to extract and synthesize a protein called telomerase that is found in DNA. In one study, this protein extended the lifespan of some cells, but science has not yet proven that this protein can make cells live indefinitely.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.