Now some scientists believe the first human to survive to 200 or beyond may already be alive somewhere on the planet. ... Yet until recently, scientists thought there was a natural “ceiling” on human existence of about 120 years, beyond which the body could not cope.
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Now some scientists believe the first human to survive to 200 or beyond may already be alive somewhere on the planet. ... Yet until recently, scientists thought there was a natural “ceiling” on human existence of about 120 years, beyond which the body could not cope.