> A boost in one area tends to cause problems in other areas. Some problem areas are no longer as such because today's environment is much better at compensati

> A boost in one area tends to cause problems in other areas. Some problem areas are no longer as such because today's environment is much better at compensating for them than the environment that we actually evolved-for. Energy efficiency comes to mind prominently: we've never been better at producing human-consumable energy in our entire history, yet we can't actually use the stuff because our bodies still interact with energy much like children-of-the-Depression interact with money.