Why your back, feet hurt: Blame evolution  Humans are only
mammals that can have scoliosis  Author: By Elizabeth Landau CNN
Published On: Feb 20 2013 02:46:49 PM CST   Updated On: Feb 21
2013 06:33:49 AM CST Back pain (CNN) -  The fact that many
people's backs and feet hurt is news that's millions of years
old.  It's because of the way we have evolved, uniquely from
other mammals, that we also have a lot of aches and pains that
our close relatives do not experience, anthropologists said last
weekend at a briefing at the American Association for the
Advancement of Science annual meeting.  "We've known for a long
time, since Darwin's time, that humans have evolved, and that
humans are not perfect, because evolution doesn't produce
perfection," said Jeremy DeSilva, anthropologist at Boston
University.  For instance, humans are the only mammals that can
have scoliosis, a condition in which the spine has an abnormal
curvature, said Bruce Latimer of Case Western Reserve University
in Cleveland, Ohio.  Owners of a H