Some researchers argue that there's no limit to how long we can live. But let's they, there is a limit, and the limit is 300 years. If our lifespan triples, at 50 years old, we might be considered a teenager. Since we have more than 2 centuries to live, it’s like every minute we had suddenly became 3 minutes long. You’d be grandparents, maybe at the age of 230! What else would it change?

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