Evolution Gone Wrong: The Curious Reasons Why Our Bodies Work (Or Don't), by Alex Bezzerides We humans have been evolving for millions of years and — as any good biologist will tell you — in response to pressures in our environment, we are evolving still. So how come our bodies are so flawed? Why does sharp vision so often elude us, for instance? Why do our backs hurt so frequently? The theme of Alex Bezzerides' Evolution Gone Wrong : The Curious Reasons Why Our Bodies Work (or Don't) is that we experience these and other embodied challenges — teeth that require braces, feet that acqui...