The notion that the body is a "finely tuned machine" hasn't exactly left us from classical antiquity.
The vertebral column is perhaps another quirk of recently bipedal humans. It works better under tension, rather than under compression. The result is that after 40 years, we tend to start developing back pain.
Wisdom teeth are also pretty useless, if you ask me.
Wisdom teeth are also pretty useless
True that. Wait for part II ;)