Why focus on breathing? Because healthy, deep breathing improves your ability to be effective whenever you are facing a particular stressful situation … it’s different for everyone. You might need this before delivering presentations (like me), or when you are about to deliver bad news, or perhaps when you need to ask for something important, like asking for a raise or asking your honey to turn off the game. (http://publicspeaker.quickanddirtytips.com)
One of the Quick and Dirty Tips podcasts to be featured in Episode 87 of Forgotten Classics.