According to a new study by a group of researchers at Michigan State University, which found what worsens the mood of a group of bus drivers in the days when they were forced to work to smile often with passengers. More: in addition to worsening mood, it was found that decreased the concentration on the work and, therefore, productivity.

What's there to smile?
In fact, in the days when people were smiling because stimulated by pleasant memories, increased productivity. In addition, the study showed that the forced smile is more depressing for women than for men. In short, even at work, it is not true that Agree always be smiling. Especially for our employer.

From Focus (ita)