Your state of mind is dependent on many things, but one of the principle inputs is the quality of your breathing and your ability to balance oxygen, carbon dioxide and other gases in the blood. If these are out of balance they can have profound effects on your mind. This is why many breathing ‘techniques’ can have profound short-term effects. However, in the long-term they can be dangerous and extremely detrimental to your mental well-being. Learn to balance your mind by balancing your breathing.