Oh god.... |
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Absolutely. If I can't answer it, then it doesn't matter. |
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Previously PhilosopherStoned
Oh god.... |
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doesn't matter... |
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Today's scientific models are not the most useful way to explore and measure things like morality. That said, through observation, you can for hypotheses like: |
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I touched on some of the evolutionary stuff in a previous thread, but I'm no evolutionary biologist, so I'm sure there's much, much more |
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Why do we max out and expire somewhere around the 120 year mark? |
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That's not really a mystery, it's just a result of statistical distributions. Somebody could live to 130, it's just so unlikely that it hasn't happened yet. |
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Several causes have been determined to cause aging, but one of the most significant is the steady depletion of telomeres, which occurs during every single cell division. Telomeres are sort of like the plastic tips on shoelaces, but for your chromosomes. Once they're depleted to a certain level, your cells can no longer divide and repair themselves as efficiently. One effect of this is that skin cells not only stop dividing, but start producing compounds that break down collagen, resulting in wrinkles and other not so fun things. And then you have cholesterol building up in the arteries for a very long time and an increasing risk for cancer, just for starters. Add it all together, and with our current technology, humans have an expiration date that averages in the mid-70's to low 80's in most developed countries, and seldom exceeds more than 100 years. |
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Well, I explained that. There's no physical upper barrier, it's just a probabilistic thing. Roughly you get a bell curve. |
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The biological process is what causes topping out. If telomeres get shorter with every replication, there must be a point were telomeres are depleted and cells can not longer divide. In a way, your maximal lifespan is determined by the lengths of telomeres at the moment of your birth, it must have some upper bound. |
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I see what you're saying but in a sense the upper curve would be the barrier. |
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Last edited by Ne-yo; 03-27-2011 at 09:44 PM.
The ecological niche of humans is intelligence. This means we take a lot longer to develop than other animals, and correspondingly we have to live a lot longer to rear our own. |
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I like that idea but I don't think intelligence is the deciding factor, (if you're referencing that time factor scenario I gave up there). There are a number of animals currently living that would make Jeanne Calment's 122 years of life look as if she were a spring chicken. |
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Like the Galapagos Tortoise. |
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science is unwilling to explain how psychedelics work wonders for your mind |
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Life. Simple. Every being is given life. Life can easily be defined as just pure existence. |
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The philosophical 'problem of life' basically dissolved decades ago... go study some basic biology; cell structure, protein synthesis, evolution, that kind of thing, and you'll find life no longer requires magic. |
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A rock does not completely exist. |
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I think you confuse "science" with "the dogma towards drugs". The latter being political, whereas science typically rates hallucinogenic drugs as not especially harmful. Indeed, several had uses in medicine in the past. |
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