Your expertise can slowly wall you off from how others experience your business. Think of the tunnel vision of the Olympian, the ballet dancer or the concert pianist as they pursue a goal.

tunnel vision, sweating, and clamminess. This can be caused by hitting your “funny bone” too, they say. “Most of the time, ...

Could the pain in your hand be carpal tunnel syndrome? WebMD's pictures show the causes, symptoms, and treatment options.