Offices are full of unnecessary stress that affects everyone. It's like a vicious circle. One nervous team member will soon make everyone else nervous too. How can you get out of the circle?
You can't control the behaviour of colleagues, but you can work on your own behaviour and try not to stress both yourself and those around you. If you stop yelling, complaining and uttering sarcastic remarks, you will make life easier not only for yourself but for others as well.
If, however, you want to go even further and get rid of the deeper causes of stress in your office, focus on the following strategies as recommended on the Harvard Business Review website.