Remember your gruff high school coach's advice for treating an injury?
"Just walk it off."
Turns out your coach should have been sidelined for making a bad call,
because while this strategy might have worked for the odd skinned knee, it's
downright dangerous for serious pain. Still, a staggering one in 10 Americans
reports that he or she has had regular pain for more than a year. Pain is the
No. 1 cause of disability in the United States. So why can't we find
Experts say that some...