In high school you may recall your parents telling you not to hang out with wrong crowd, and it probably drove you crazy. I am sorry to tell you, though, that they were right.
A Harvard Medical School study done by Dr. Nicholas Christakis found that individuals who surround themselves with people who smile and have a positive attitude have a remarkably better well-being compared to those who are surrounded by negative and grumpy people.
It might not seem like a big deal, but start avoiding negative friends or colleagues whenever possible. If you can't avoid this, now's the time to start looking for a new job or social circle - the results will amaze you.
- Derived from an article titled "7 Steps to Radically Improve Your Entire Life" by Elle Kaplan