Nutrition, Education, etc, have continual costs. If we have a continuously dropping natural intelligence, then the part of our intelligence derived from the env

Nutrition, Education, etc, have continual costs. If we have a continuously dropping natural intelligence, then the part of our intelligence derived from the environment will only get more expensive. That's unsustainable. The Flynn effect itself will probably stop or slow all-but-completely anyway http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6W4M-4D45TJ5-2&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=330207de9f6934746f11f1ad5b9a9096 http://www.sciencedirect.com/science?_ob=ArticleURL&_udi...