There is a big difference between EXTENDING LIFE and PROLONGING VITALITY. We're capable of both - but "extending life" - simply keeping people alive - decades after their lives have become defined by pain, disease, frailty and immobility is no virtue
"Prolonged vitality" meaning not just more years of life, but more active, healthy and happy ones is coming and its coming sooner than most people expect. By the time people who are born today have reached middle age, these changes should be here. And in the next century, a person who is 122 might say they've lived a full but not a particularly long life. 120 years might not be an outlier but an expectation
So much so we don't call it longevity. We simply call it life. What's the upward limit? There isn't one. There is no biological law that says we must age. Prolonged healthy lifespans are in sight.
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