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A new study suggests people who live happier lives live longer. Erica Hill speaks to the author of "The Happiness Project" Gretchen Rubin and profiles how this philosophy changed the life of one woman.

A new survey suggests people will go to great lengths to avoid PowerPoint presentations, either giving them or listening to them. Just how excruciating do people find PowerPoint presentations? Nearly a quarter of workers would rather forego sex for the night than sit through a lame presentation, says a new survey