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I disagree with the parent, but there are several issues with your post as well. For starters, it's wrong to suggest that there's a direction or purpose to evo
by cholantesh 11y ago
I disagree with the parent, but there are several issues with your post as well.
For starters, it's wrong to suggest that there's a direction or purpose to evolution[1]. The current shape of human life is no indication that we have 'progressed' from where we previously were, or where we will be in the future (as far as evo bio is concerned). As such, to suggest that we were 'supposed' to get smallpox because we did not evolve a natural immunity to it is not a statement that conforms to our understanding of evolution. Neither does it make sense that, because in the developed world, people have tended to become more sedentary, it is a desired end goal for humans to become 'lazier'. If that were the case, we should also be willing to argue that childlessness is the desirable state for living organisms, as the more education and wealth humans accumulate, the less likely they are to have children[2]. I don't fully follow your reasoning on exercise, but as it is intended to counteract the documented effects of overeating, I'm not sure it is a sound thesis to suggest it won't increase your lifespan.
1: http://www.talkorigins.org/faqs/evolphil/teleology.html http://www.talkorigins.org/faqs/evolphil/teleology.html
2: https://www.youtube.com/watch?v=BkSO9pOVpRM https://www.youtube.com/watch?v=BkSO9pOVpRM
- brashrat 11y agoI used "we evolved" in the sense that he used it so I could communicate with him; in actuality, I subscribe to the Selfish Gene hypothesis where "we" really don't matter at all. Our genes compete for survival against not surviving. They compete against each other inasmuch as they are in competition but otherwise they cooperate in the sense of accepting each other as part of the environment in which they propogate. there is a direction and purpose to evolution, it's: replicate or cease to exist.