I've got a difficult person in my professional life. No, it's not you. But, for a long time, I was stressed out every time I had to work with this person. I'd feel nervous before our conversations and ...

Have you ever run into a family member, boss, or employee who seem impossible to please? They may fall into the category of ...

Add Yahoo as a preferred source to see more of our stories on Google. A heated exchange may stem from something deeper than the issue at hand. skynesher/E+ via Getty Images Relationships can feel like ...

People who make your life more difficult may be aging you faster, according to recent research. In the study, published last month in Proceedings of the National Academy of Sciences, researchers found ...

Dealing with difficult people may speed up the aging process. According to a study published in Proceedings of the National Academy Sciences on Feb. 18, researchers found that hasslers, defined as ...