This is a global problem. Many years ago I was in a zen retreat and the monks would literally whack us on the shoulders with a cane to sit up straight. The poin

This is a global problem. Many years ago I was in a zen retreat and the monks would literally whack us on the shoulders with a cane to sit up straight. The point was that we put pressure on our organs when we slouch. Straightening up helps our over all well-being and confidence.