I have stammering problem which has led me to anxiety..Will deep breathing for 1 week help change things in a positive way?
What could be the harmful effects?
Does singing helps minimize stammering???
Last things first - singing can, in fact, help minimize stammering for the simple reason that the brain is "distracted" by the fact that you're not focusing on the things that actually cause the stammering (whatever they may be).
The levels of oxygen in your system, however, does not have anything to do with stammers or stutters. When we take in a deep breath we are only able to metabolize a certain amount of the oxygen from that breath. If we take in several deep breaths in a row there is a serious risk of something called Oxygen acidosis, which occurs when the oxygen level in the red blood cells reaches a PH level that is too high, causing them to become acidic. Oxygen gives life, to be sure, but it can also cause serious negative issues when the balance that we have become accustomed to is thrown out of whack.
The first sign of this balance becoming thrown is known as "hyper-ventilation" - when you breath too quickly and get the feeling that you can't catch your breath. What's the solution? You breath into a paper bag - which causes you to breath more Carbon Dioxide - what would normally be avoided becomes the cure.
If you tried to take long breaths continuously for 1 week there is a great likelihood that you would pass out from the exertion - or damage yourself in some other way - I would HIGHLY recommend that you don't try it. Take a deep cleansing breath once every hour, or whenever you stand up - to clear your lungs - and every time you go out into the fresh air. Other than that, however, there's no good reason to do it too often.
Singing will have a much more positive effect on your stammer than anything else. When you speak, imagine yourself singing - there's something called "sprechtstimme" - spoken song (in German) - where the speaking voice "sings" the spoken words of the song. It's done with the same air support that a singer would use as if they were singing, but the sound comes out as if they are speaking - though a bit more dramatic. A few lessons with a vocal coach might help you out tremendously in this area.